STATE STREET GLOBAL ADVISORS TRUST COMPANY has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND
401k plan membership statisitcs for SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND
| Measure | Date | Value |
|---|
| 2023 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2023 401k financial data |
|---|
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $0 |
| Total transfer of assets to this plan | 2023-12-31 | $3,117,651 |
| Total transfer of assets from this plan | 2023-12-31 | $31,893,793 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $424,520 |
| Total income from all sources (including contributions) | 2023-12-31 | $779,575 |
| Total loss/gain on sale of assets | 2023-12-31 | $113,072 |
| Total of all expenses incurred | 2023-12-31 | $3,079 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $0 |
| Value of total assets at end of year | 2023-12-31 | $0 |
| Value of total assets at beginning of year | 2023-12-31 | $28,424,166 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $3,079 |
| Total interest from all sources | 2023-12-31 | $601,001 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $720,011 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $424,520 |
| Other income not declared elsewhere | 2023-12-31 | $65,502 |
| Administrative expenses (other) incurred | 2023-12-31 | $1,422 |
| Value of net income/loss | 2023-12-31 | $776,496 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $0 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $27,999,646 |
| Income. Interest from US Government securities | 2023-12-31 | $597,306 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $0 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $129,139 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $129,139 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $3,695 |
| Asset value of US Government securities at end of year | 2023-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $27,575,016 |
| Contract administrator fees | 2023-12-31 | $1,657 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $29,362,560 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $29,249,488 |
| 2022 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-11,220,941 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-11,220,941 |
| Total transfer of assets to this plan | 2022-12-31 | $8,144,773 |
| Total transfer of assets from this plan | 2022-12-31 | $24,627,736 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $424,520 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $685,027 |
| Total income from all sources (including contributions) | 2022-12-31 | $-11,991,291 |
| Total loss/gain on sale of assets | 2022-12-31 | $-2,023,300 |
| Total of all expenses incurred | 2022-12-31 | $12,798 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $0 |
| Value of total assets at end of year | 2022-12-31 | $28,424,166 |
| Value of total assets at beginning of year | 2022-12-31 | $57,171,725 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $12,798 |
| Total interest from all sources | 2022-12-31 | $1,252,950 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $7,325 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $720,011 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $750,576 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $424,520 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $685,027 |
| Administrative expenses (other) incurred | 2022-12-31 | $5,473 |
| Value of net income/loss | 2022-12-31 | $-12,004,089 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $27,999,646 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $56,486,698 |
| Interest earned on other investments | 2022-12-31 | $538 |
| Income. Interest from US Government securities | 2022-12-31 | $1,250,799 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $129,139 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $862,586 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $862,586 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $1,613 |
| Asset value of US Government securities at end of year | 2022-12-31 | $27,575,016 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $55,558,563 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $22,618,551 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $24,641,851 |
| 2021 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of real estate assets | 2021-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $0 |
| Total transfer of assets to this plan | 2021-12-31 | $24,287,217 |
| Total transfer of assets from this plan | 2021-12-31 | $35,000,690 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $685,027 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $732,515 |
| Expenses. Interest paid | 2021-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2021-12-31 | $0 |
| Total income from all sources (including contributions) | 2021-12-31 | $-1,608,740 |
| Total loss/gain on sale of assets | 2021-12-31 | $-1,017,756 |
| Total of all expenses incurred | 2021-12-31 | $16,248 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $0 |
| Value of total assets at end of year | 2021-12-31 | $57,171,725 |
| Value of total assets at beginning of year | 2021-12-31 | $69,557,674 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $16,248 |
| Total interest from all sources | 2021-12-31 | $1,414,819 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $0 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at end of year | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2021-12-31 | $0 |
| Administrative expenses professional fees incurred | 2021-12-31 | $9,037 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $750,576 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $1,329,431 |
| Assets. Loans (other than to participants) at end of year | 2021-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $685,027 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $732,515 |
| Other income not declared elsewhere | 2021-12-31 | $0 |
| Administrative expenses (other) incurred | 2021-12-31 | $7,211 |
| Total non interest bearing cash at end of year | 2021-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $0 |
| Value of net income/loss | 2021-12-31 | $-1,624,988 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $56,486,698 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $68,825,159 |
| Investment advisory and management fees | 2021-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2021-12-31 | $0 |
| Interest earned on other investments | 2021-12-31 | $0 |
| Income. Interest from US Government securities | 2021-12-31 | $1,413,430 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $862,586 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $1,954,041 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $1,954,041 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $1,389 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2021-12-31 | $0 |
| Asset value of US Government securities at end of year | 2021-12-31 | $55,558,563 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $66,274,202 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $-2,005,803 |
| Income. Dividends from preferred stock | 2021-12-31 | $0 |
| Income. Dividends from common stock | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $0 |
| Contract administrator fees | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $22,495,088 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $23,512,844 |
| 2020 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $4,818,207 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $4,818,207 |
| Total transfer of assets to this plan | 2020-12-31 | $43,428,225 |
| Total transfer of assets from this plan | 2020-12-31 | $82,873,070 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $732,515 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $2,239,942 |
| Total income from all sources (including contributions) | 2020-12-31 | $10,532,665 |
| Total loss/gain on sale of assets | 2020-12-31 | $3,654,130 |
| Total of all expenses incurred | 2020-12-31 | $19,467 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $0 |
| Value of total assets at end of year | 2020-12-31 | $69,557,674 |
| Value of total assets at beginning of year | 2020-12-31 | $99,996,748 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $19,467 |
| Total interest from all sources | 2020-12-31 | $2,060,328 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $9,117 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $1,329,431 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $3,600,711 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $732,515 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $2,239,942 |
| Administrative expenses (other) incurred | 2020-12-31 | $10,350 |
| Value of net income/loss | 2020-12-31 | $10,513,198 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $68,825,159 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $97,756,806 |
| Income. Interest from US Government securities | 2020-12-31 | $2,054,301 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $1,954,041 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $62,387 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $62,387 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $6,027 |
| Asset value of US Government securities at end of year | 2020-12-31 | $66,274,202 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $96,333,650 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $71,676,297 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $68,022,167 |
| 2019 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $6,544,258 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $6,544,258 |
| Total transfer of assets to this plan | 2019-12-31 | $48,279,061 |
| Total transfer of assets from this plan | 2019-12-31 | $52,209,461 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $2,239,942 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,207,421 |
| Total income from all sources (including contributions) | 2019-12-31 | $11,604,288 |
| Total loss/gain on sale of assets | 2019-12-31 | $2,135,505 |
| Total of all expenses incurred | 2019-12-31 | $21,862 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $0 |
| Value of total assets at end of year | 2019-12-31 | $99,996,748 |
| Value of total assets at beginning of year | 2019-12-31 | $91,312,201 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $21,862 |
| Total interest from all sources | 2019-12-31 | $2,924,525 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $9,982 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $1,166,360 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $3,600,711 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $1,948,154 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $2,239,942 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $1,207,421 |
| Administrative expenses (other) incurred | 2019-12-31 | $11,880 |
| Value of net income/loss | 2019-12-31 | $11,582,426 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $97,756,806 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $90,104,780 |
| Income. Interest from US Government securities | 2019-12-31 | $2,916,666 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $62,387 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $559,100 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $559,100 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $7,859 |
| Asset value of US Government securities at end of year | 2019-12-31 | $96,333,650 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $87,638,587 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $42,204,822 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $40,069,317 |
| 2018 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-2,253,721 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-2,253,721 |
| Total transfer of assets to this plan | 2018-12-31 | $37,515,587 |
| Total transfer of assets from this plan | 2018-12-31 | $28,127,065 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,207,421 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $960,044 |
| Total income from all sources (including contributions) | 2018-12-31 | $-203,217 |
| Total loss/gain on sale of assets | 2018-12-31 | $-599,124 |
| Total of all expenses incurred | 2018-12-31 | $18,590 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $0 |
| Value of total assets at end of year | 2018-12-31 | $91,312,201 |
| Value of total assets at beginning of year | 2018-12-31 | $81,898,109 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $18,590 |
| Total interest from all sources | 2018-12-31 | $2,649,628 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $8,888 |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $1,166,360 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $896,571 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $1,948,154 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $1,720,027 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $1,207,421 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $960,044 |
| Administrative expenses (other) incurred | 2018-12-31 | $9,702 |
| Value of net income/loss | 2018-12-31 | $-221,807 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $90,104,780 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $80,938,065 |
| Interest earned on other investments | 2018-12-31 | $39,057 |
| Income. Interest from US Government securities | 2018-12-31 | $2,601,100 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $559,100 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $270,388 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $270,388 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $9,471 |
| Asset value of US Government securities at end of year | 2018-12-31 | $87,638,587 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $79,011,123 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $19,354,782 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $19,953,906 |
| 2017 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of real estate assets | 2017-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $2,750,293 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $2,750,293 |
| Total transfer of assets to this plan | 2017-12-31 | $65,739,047 |
| Total transfer of assets from this plan | 2017-12-31 | $43,274,054 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $960,044 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $920,463 |
| Expenses. Interest paid | 2017-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2017-12-31 | $0 |
| Total income from all sources (including contributions) | 2017-12-31 | $5,268,822 |
| Total loss/gain on sale of assets | 2017-12-31 | $315,016 |
| Total of all expenses incurred | 2017-12-31 | $17,795 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $0 |
| Value of total assets at end of year | 2017-12-31 | $81,898,109 |
| Value of total assets at beginning of year | 2017-12-31 | $54,142,508 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $17,795 |
| Total interest from all sources | 2017-12-31 | $2,203,513 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $8,290 |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $896,571 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $782,356 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $1,720,027 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $1,162,017 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $960,044 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $920,463 |
| Other income not declared elsewhere | 2017-12-31 | $0 |
| Administrative expenses (other) incurred | 2017-12-31 | $9,505 |
| Value of net income/loss | 2017-12-31 | $5,251,027 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $80,938,065 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $53,222,045 |
| Investment advisory and management fees | 2017-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2017-12-31 | $0 |
| Interest earned on other investments | 2017-12-31 | $34,017 |
| Income. Interest from US Government securities | 2017-12-31 | $2,165,549 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $270,388 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $635,041 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $635,041 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $3,947 |
| Asset value of US Government securities at end of year | 2017-12-31 | $79,011,123 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $51,563,094 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $0 |
| Income. Dividends from preferred stock | 2017-12-31 | $0 |
| Income. Dividends from common stock | 2017-12-31 | $0 |
| Contract administrator fees | 2017-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $15,086,178 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $14,771,162 |
| 2016 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $197,487 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $197,487 |
| Total transfer of assets to this plan | 2016-12-31 | $12,783,080 |
| Total transfer of assets from this plan | 2016-12-31 | $25,369,308 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $920,463 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $8,453,143 |
| Total income from all sources (including contributions) | 2016-12-31 | $3,187,623 |
| Total loss/gain on sale of assets | 2016-12-31 | $1,050,661 |
| Total of all expenses incurred | 2016-12-31 | $22,723 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $0 |
| Value of total assets at end of year | 2016-12-31 | $54,142,508 |
| Value of total assets at beginning of year | 2016-12-31 | $71,096,516 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $22,723 |
| Total interest from all sources | 2016-12-31 | $1,939,475 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $13,665 |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $782,356 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $1,162,017 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $9,121,124 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $920,463 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $8,453,143 |
| Administrative expenses (other) incurred | 2016-12-31 | $9,058 |
| Value of net income/loss | 2016-12-31 | $3,164,900 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $53,222,045 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $62,643,373 |
| Interest earned on other investments | 2016-12-31 | $31,673 |
| Income. Interest from US Government securities | 2016-12-31 | $1,905,180 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $635,041 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $87,439 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $87,439 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $2,622 |
| Asset value of US Government securities at end of year | 2016-12-31 | $51,563,094 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $61,887,953 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $21,619,342 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $20,568,681 |
| 2015 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-1,709,427 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-1,709,427 |
| Total transfer of assets to this plan | 2015-12-31 | $33,751,780 |
| Total transfer of assets from this plan | 2015-12-31 | $50,376,602 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $8,453,143 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,324,010 |
| Total income from all sources (including contributions) | 2015-12-31 | $395,214 |
| Total loss/gain on sale of assets | 2015-12-31 | $-194,363 |
| Total of all expenses incurred | 2015-12-31 | $22,072 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $0 |
| Value of total assets at end of year | 2015-12-31 | $71,096,516 |
| Value of total assets at beginning of year | 2015-12-31 | $80,219,063 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $22,072 |
| Total interest from all sources | 2015-12-31 | $2,299,004 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $12,977 |
| Assets. Other investments not covered elsewhere at end of year | 2015-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2015-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $9,121,124 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $909,312 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $8,453,143 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $1,324,010 |
| Administrative expenses (other) incurred | 2015-12-31 | $9,095 |
| Value of net income/loss | 2015-12-31 | $373,142 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $62,643,373 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $78,895,053 |
| Interest earned on other investments | 2015-12-31 | $0 |
| Income. Interest from US Government securities | 2015-12-31 | $2,296,018 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $2,023 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $87,439 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $1,769,871 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $1,769,871 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $963 |
| Asset value of US Government securities at end of year | 2015-12-31 | $61,887,953 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $77,293,805 |
| Income. Dividends from preferred stock | 2015-12-31 | $0 |
| Income. Dividends from common stock | 2015-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $246,075 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $36,387,629 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $36,581,992 |
| 2014 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $9,540,586 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $9,540,586 |
| Total transfer of assets to this plan | 2014-12-31 | $38,411,089 |
| Total transfer of assets from this plan | 2014-12-31 | $98,183,093 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $1,324,010 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $8,214,141 |
| Total income from all sources (including contributions) | 2014-12-31 | $16,015,983 |
| Total loss/gain on sale of assets | 2014-12-31 | $3,411,293 |
| Total of all expenses incurred | 2014-12-31 | $32,184 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $0 |
| Value of total assets at end of year | 2014-12-31 | $80,219,063 |
| Value of total assets at beginning of year | 2014-12-31 | $130,897,399 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $32,184 |
| Total interest from all sources | 2014-12-31 | $3,064,104 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $15,356 |
| Assets. Other investments not covered elsewhere at end of year | 2014-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2014-12-31 | $5,005,409 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $909,312 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $5,501,911 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $1,324,010 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $8,214,141 |
| Administrative expenses (other) incurred | 2014-12-31 | $16,828 |
| Value of net income/loss | 2014-12-31 | $15,983,799 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $78,895,053 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $122,683,258 |
| Interest earned on other investments | 2014-12-31 | $86,374 |
| Income. Interest from US Government securities | 2014-12-31 | $2,965,177 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $11,831 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $1,769,871 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $4,337,782 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $4,337,782 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $722 |
| Asset value of US Government securities at end of year | 2014-12-31 | $77,293,805 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $115,359,327 |
| Asset. Corporate debt instrument preferred debt at end of year | 2014-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2014-12-31 | $692,970 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $246,075 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $73,548,801 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $70,137,508 |
| 2013 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-17,915,857 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-17,915,857 |
| Total transfer of assets to this plan | 2013-12-31 | $77,323,997 |
| Total transfer of assets from this plan | 2013-12-31 | $125,166,136 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $8,214,141 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $10,209,963 |
| Total income from all sources (including contributions) | 2013-12-31 | $-17,087,184 |
| Total loss/gain on sale of assets | 2013-12-31 | $-5,214,317 |
| Total of all expenses incurred | 2013-12-31 | $47,757 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $0 |
| Value of total assets at end of year | 2013-12-31 | $130,897,399 |
| Value of total assets at beginning of year | 2013-12-31 | $197,870,301 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $47,757 |
| Total interest from all sources | 2013-12-31 | $6,042,990 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $15,012 |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $5,005,409 |
| Assets. Other investments not covered elsewhere at beginning of year | 2013-12-31 | $16,292,444 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $5,501,911 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $10,399,780 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $8,214,141 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $10,209,963 |
| Administrative expenses (other) incurred | 2013-12-31 | $32,745 |
| Value of net income/loss | 2013-12-31 | $-17,134,941 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $122,683,258 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $187,660,338 |
| Interest earned on other investments | 2013-12-31 | $448,124 |
| Income. Interest from US Government securities | 2013-12-31 | $5,573,076 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $19,772 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $4,337,782 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $2,596,813 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $2,596,813 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $2,018 |
| Asset value of US Government securities at end of year | 2013-12-31 | $115,359,327 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $167,740,984 |
| Asset. Corporate debt instrument preferred debt at end of year | 2013-12-31 | $692,970 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2013-12-31 | $840,280 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $72,206,041 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $77,420,358 |
| 2012 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $4,627,988 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $4,627,988 |
| Total transfer of assets to this plan | 2012-12-31 | $41,330,685 |
| Total transfer of assets from this plan | 2012-12-31 | $78,448,646 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $10,209,963 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $3,412,379 |
| Total income from all sources (including contributions) | 2012-12-31 | $13,110,772 |
| Total loss/gain on sale of assets | 2012-12-31 | $997,234 |
| Total of all expenses incurred | 2012-12-31 | $61,970 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $0 |
| Value of total assets at end of year | 2012-12-31 | $197,870,301 |
| Value of total assets at beginning of year | 2012-12-31 | $215,141,876 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $61,970 |
| Total interest from all sources | 2012-12-31 | $7,485,550 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $17,783 |
| Assets. Other investments not covered elsewhere at end of year | 2012-12-31 | $16,292,444 |
| Assets. Other investments not covered elsewhere at beginning of year | 2012-12-31 | $16,024,966 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $10,399,780 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $4,140,940 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $10,209,963 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $3,412,379 |
| Administrative expenses (other) incurred | 2012-12-31 | $44,187 |
| Value of net income/loss | 2012-12-31 | $13,048,802 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $187,660,338 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $211,729,497 |
| Interest earned on other investments | 2012-12-31 | $653,718 |
| Income. Interest from US Government securities | 2012-12-31 | $6,800,864 |
| Income. Interest from corporate debt instruments | 2012-12-31 | $21,366 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $2,596,813 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $5,542,670 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $5,542,670 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $9,602 |
| Asset value of US Government securities at end of year | 2012-12-31 | $167,740,984 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $188,593,557 |
| Asset. Corporate debt instrument preferred debt at end of year | 2012-12-31 | $840,280 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2012-12-31 | $839,743 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $86,015,306 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $85,018,072 |
| 2011 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $25,816,739 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $25,816,739 |
| Total transfer of assets to this plan | 2011-12-31 | $110,820,342 |
| Total transfer of assets from this plan | 2011-12-31 | $106,588,521 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $3,412,379 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $6,280,302 |
| Total income from all sources (including contributions) | 2011-12-31 | $40,434,263 |
| Total loss/gain on sale of assets | 2011-12-31 | $5,433,123 |
| Total of all expenses incurred | 2011-12-31 | $66,655 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $0 |
| Value of total assets at end of year | 2011-12-31 | $215,141,876 |
| Value of total assets at beginning of year | 2011-12-31 | $173,410,370 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $66,655 |
| Total interest from all sources | 2011-12-31 | $9,184,401 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $20,453 |
| Assets. Other investments not covered elsewhere at end of year | 2011-12-31 | $16,024,966 |
| Assets. Other investments not covered elsewhere at beginning of year | 2011-12-31 | $12,246,871 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $4,140,940 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $5,009,256 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $3,412,379 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $6,280,302 |
| Administrative expenses (other) incurred | 2011-12-31 | $46,202 |
| Value of net income/loss | 2011-12-31 | $40,367,608 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $211,729,497 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $167,130,068 |
| Interest earned on other investments | 2011-12-31 | $644,383 |
| Income. Interest from US Government securities | 2011-12-31 | $8,471,529 |
| Income. Interest from corporate debt instruments | 2011-12-31 | $56,930 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $5,542,670 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $3,569,831 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $3,569,831 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $11,559 |
| Asset value of US Government securities at end of year | 2011-12-31 | $188,593,557 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $151,556,901 |
| Asset. Corporate debt instrument preferred debt at end of year | 2011-12-31 | $839,743 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2011-12-31 | $1,027,511 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $86,226,666 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $80,793,543 |
| 2010 : SSGA LONG U.S. AGENCY INDEX NON-LENDING FUND 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $2,103,049 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $2,103,049 |
| Total transfer of assets to this plan | 2010-12-31 | $114,581,632 |
| Total transfer of assets from this plan | 2010-12-31 | $83,976,117 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $6,280,302 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $6,314,182 |
| Total income from all sources (including contributions) | 2010-12-31 | $13,135,098 |
| Total loss/gain on sale of assets | 2010-12-31 | $3,427,237 |
| Total of all expenses incurred | 2010-12-31 | $55,579 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $0 |
| Value of total assets at end of year | 2010-12-31 | $173,410,370 |
| Value of total assets at beginning of year | 2010-12-31 | $129,759,216 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $55,579 |
| Total interest from all sources | 2010-12-31 | $7,604,812 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $15,206 |
| Assets. Other investments not covered elsewhere at end of year | 2010-12-31 | $12,246,871 |
| Assets. Other investments not covered elsewhere at beginning of year | 2010-12-31 | $7,530,038 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $5,009,256 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $1,943,357 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $6,280,302 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $6,314,182 |
| Administrative expenses (other) incurred | 2010-12-31 | $40,373 |
| Value of net income/loss | 2010-12-31 | $13,079,519 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $167,130,068 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $123,445,034 |
| Interest earned on other investments | 2010-12-31 | $494,677 |
| Income. Interest from US Government securities | 2010-12-31 | $7,062,642 |
| Income. Interest from corporate debt instruments | 2010-12-31 | $35,457 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $3,569,831 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $6,501,020 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $6,501,020 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $12,036 |
| Asset value of US Government securities at end of year | 2010-12-31 | $151,556,901 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $113,184,596 |
| Asset. Corporate debt instrument preferred debt at end of year | 2010-12-31 | $1,027,511 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2010-12-31 | $600,205 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $79,986,975 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $76,559,738 |
