BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. has sponsored the creation of one or more 401k plans.
| Measure | Date | Value |
|---|
| 2023 : RUSSELL 3000 INDEX FUND B 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $634,090,123 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $634,090,123 |
| Total transfer of assets to this plan | 2023-12-31 | $287,976,924 |
| Total transfer of assets from this plan | 2023-12-31 | $497,961,045 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $3,164,599 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $9,790 |
| Total income from all sources (including contributions) | 2023-12-31 | $777,754,860 |
| Total of all expenses incurred | 2023-12-31 | $18,588 |
| Value of total assets at end of year | 2023-12-31 | $3,615,551,608 |
| Value of total assets at beginning of year | 2023-12-31 | $3,044,644,648 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $18,588 |
| Total interest from all sources | 2023-12-31 | $2,572 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $3,153,464 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $3,372 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $3,164,599 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $9,790 |
| Administrative expenses (other) incurred | 2023-12-31 | $3,219 |
| Value of net income/loss | 2023-12-31 | $777,736,272 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $3,612,387,009 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $3,044,634,858 |
| Investment advisory and management fees | 2023-12-31 | $7,511 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $3,612,348,359 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $3,044,591,276 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $49,785 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $50,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $50,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $2,572 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $143,662,165 |
| Aggregate proceeds on sale of assets | 2023-12-31 | $350,106 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $350,106 |
| 2022 : RUSSELL 3000 INDEX FUND B 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-1,003,849,400 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-1,003,849,400 |
| Total transfer of assets to this plan | 2022-12-31 | $538,631,925 |
| Total transfer of assets from this plan | 2022-12-31 | $785,536,654 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $9,790 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $3,609,572 |
| Total income from all sources (including contributions) | 2022-12-31 | $-758,800,449 |
| Total of all expenses incurred | 2022-12-31 | $17,206 |
| Value of total assets at end of year | 2022-12-31 | $3,044,644,648 |
| Value of total assets at beginning of year | 2022-12-31 | $4,053,966,814 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $17,206 |
| Total interest from all sources | 2022-12-31 | $1,164 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Administrative expenses professional fees incurred | 2022-12-31 | $7,198 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $3,372 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $3,601,826 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $9,790 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $3,609,572 |
| Administrative expenses (other) incurred | 2022-12-31 | $3,208 |
| Value of net income/loss | 2022-12-31 | $-758,817,655 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $3,044,634,858 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $4,050,357,242 |
| Investment advisory and management fees | 2022-12-31 | $6,800 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $3,044,591,276 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $4,050,314,988 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $50,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $50,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $50,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $1,164 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $245,047,787 |
| Aggregate proceeds on sale of assets | 2022-12-31 | $4,678,265 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $4,678,265 |
| 2021 : RUSSELL 3000 INDEX FUND B 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-208,557,435 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-208,557,435 |
| Total transfer of assets to this plan | 2021-12-31 | $471,696,841 |
| Total transfer of assets from this plan | 2021-12-31 | $1,066,533,712 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $3,609,572 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $13,164,828 |
| Total income from all sources (including contributions) | 2021-12-31 | $898,011,108 |
| Total of all expenses incurred | 2021-12-31 | $13,117 |
| Value of total assets at end of year | 2021-12-31 | $4,053,966,814 |
| Value of total assets at beginning of year | 2021-12-31 | $3,760,360,950 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $13,117 |
| Total interest from all sources | 2021-12-31 | $130 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Administrative expenses professional fees incurred | 2021-12-31 | $3,352 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $3,601,826 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $13,155,413 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $3,609,572 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $13,164,828 |
| Administrative expenses (other) incurred | 2021-12-31 | $3,264 |
| Value of net income/loss | 2021-12-31 | $897,997,991 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $4,050,357,242 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $3,747,196,122 |
| Investment advisory and management fees | 2021-12-31 | $6,501 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $4,050,314,988 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $3,747,155,537 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $50,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $50,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $50,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $130 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $1,106,568,413 |
| Aggregate proceeds on sale of assets | 2021-12-31 | $3,894,923 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $3,894,923 |
| 2020 : RUSSELL 3000 INDEX FUND B 2020 401k financial data |
|---|
| Total transfer of assets to this plan | 2020-12-31 | $1,956,532,613 |
| Total transfer of assets from this plan | 2020-12-31 | $689,044,468 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $13,164,828 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $5,284,136 |
| Total income from all sources (including contributions) | 2020-12-31 | $603,472,775 |
| Total of all expenses incurred | 2020-12-31 | $13,247 |
| Value of total assets at end of year | 2020-12-31 | $3,760,360,950 |
| Value of total assets at beginning of year | 2020-12-31 | $1,881,532,585 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $13,247 |
| Total interest from all sources | 2020-12-31 | $349 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Administrative expenses professional fees incurred | 2020-12-31 | $3,824 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $13,155,413 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $5,275,102 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $13,164,828 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $5,284,136 |
| Administrative expenses (other) incurred | 2020-12-31 | $3,275 |
| Value of net income/loss | 2020-12-31 | $603,459,528 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $3,747,196,122 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $1,876,248,449 |
| Investment advisory and management fees | 2020-12-31 | $6,148 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $3,747,155,537 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $1,876,207,483 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $50,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $50,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $50,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $349 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $603,472,426 |
| Aggregate proceeds on sale of assets | 2020-12-31 | $269,580 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $269,580 |
| 2019 : RUSSELL 3000 INDEX FUND B 2019 401k financial data |
|---|
| Total transfer of assets to this plan | 2019-12-31 | $423,598,619 |
| Total transfer of assets from this plan | 2019-12-31 | $508,934,513 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $5,284,136 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $6,786 |
| Total income from all sources (including contributions) | 2019-12-31 | $447,076,115 |
| Total of all expenses incurred | 2019-12-31 | $14,228 |
| Value of total assets at end of year | 2019-12-31 | $1,881,532,585 |
| Value of total assets at beginning of year | 2019-12-31 | $1,514,529,242 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $14,228 |
| Total interest from all sources | 2019-12-31 | $1,146 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Administrative expenses professional fees incurred | 2019-12-31 | $5,559 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $5,275,102 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $2,923 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $5,284,136 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $6,786 |
| Value of net income/loss | 2019-12-31 | $447,061,887 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $1,876,248,449 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $1,514,522,456 |
| Investment advisory and management fees | 2019-12-31 | $8,669 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $1,876,207,483 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $1,514,476,319 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $50,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $50,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $50,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $1,146 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $447,074,969 |
| 2018 : RUSSELL 3000 INDEX FUND B 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-311,507,696 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-311,507,696 |
| Total transfer of assets to this plan | 2018-12-31 | $788,783,858 |
| Total transfer of assets from this plan | 2018-12-31 | $918,021,684 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $6,786 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $286,978,373 |
| Total income from all sources (including contributions) | 2018-12-31 | $-60,158,279 |
| Total loss/gain on sale of assets | 2018-12-31 | $26,213,283 |
| Total of all expenses incurred | 2018-12-31 | $11,459 |
| 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 | $1,514,529,242 |
| Value of total assets at beginning of year | 2018-12-31 | $1,990,908,393 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $11,459 |
| Total interest from all sources | 2018-12-31 | $1,307 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $5,615 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $2,923 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $287,874,059 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $6,786 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $286,978,373 |
| Administrative expenses (other) incurred | 2018-12-31 | $-13 |
| Value of net income/loss | 2018-12-31 | $-60,169,738 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $1,514,522,456 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,703,930,020 |
| Investment advisory and management fees | 2018-12-31 | $5,857 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $1,514,476,319 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $1,702,984,334 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $50,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $50,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $50,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $1,307 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $225,134,827 |
| Aggregate proceeds on sale of assets | 2018-12-31 | $901,052,050 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $874,838,767 |
| 2017 : RUSSELL 3000 INDEX FUND B 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $216,720,306 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $216,720,306 |
| Total transfer of assets to this plan | 2017-12-31 | $405,372,829 |
| Total transfer of assets from this plan | 2017-12-31 | $606,391,632 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $286,978,373 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $208,227,608 |
| Total income from all sources (including contributions) | 2017-12-31 | $344,155,200 |
| Total loss/gain on sale of assets | 2017-12-31 | $-31,641,412 |
| Total of all expenses incurred | 2017-12-31 | $11,390 |
| 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 | $1,990,908,393 |
| Value of total assets at beginning of year | 2017-12-31 | $1,769,032,621 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $11,390 |
| Total interest from all sources | 2017-12-31 | $527 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $5,593 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $287,874,059 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $208,244,093 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $286,978,373 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $208,227,608 |
| Value of net income/loss | 2017-12-31 | $344,143,810 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,703,930,020 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $1,560,805,013 |
| Investment advisory and management fees | 2017-12-31 | $5,797 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $1,702,984,334 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $1,560,738,528 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $50,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $50,000 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $50,000 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $527 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $159,075,779 |
| Aggregate proceeds on sale of assets | 2017-12-31 | $589,629,943 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $621,271,355 |
| 2016 : RUSSELL 3000 INDEX FUND B 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $132,433,638 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $132,433,638 |
| Total transfer of assets to this plan | 2016-12-31 | $387,005,879 |
| Total transfer of assets from this plan | 2016-12-31 | $237,881,803 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $208,227,608 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $548,215 |
| Total income from all sources (including contributions) | 2016-12-31 | $153,271,371 |
| Total loss/gain on sale of assets | 2016-12-31 | $-44,147,626 |
| Total of all expenses incurred | 2016-12-31 | $11,678 |
| 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 | $1,769,032,621 |
| Value of total assets at beginning of year | 2016-12-31 | $1,258,969,459 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $11,678 |
| Total interest from all sources | 2016-12-31 | $265 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $5,700 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $208,244,093 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $541,774 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $208,227,608 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $548,215 |
| Value of net income/loss | 2016-12-31 | $153,259,693 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $1,560,805,013 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $1,258,421,244 |
| Investment advisory and management fees | 2016-12-31 | $5,978 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $1,560,738,528 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $1,258,377,686 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $50,000 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $49,999 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $49,999 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $265 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $64,985,094 |
| Aggregate proceeds on sale of assets | 2016-12-31 | $238,306,424 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $282,454,050 |
| 2015 : RUSSELL 3000 INDEX FUND B 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-156,618,811 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-156,618,811 |
| Total transfer of assets to this plan | 2015-12-31 | $386,756,008 |
| Total transfer of assets from this plan | 2015-12-31 | $205,846,968 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $548,215 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $45,676,375 |
| Total income from all sources (including contributions) | 2015-12-31 | $11,004,412 |
| Total loss/gain on sale of assets | 2015-12-31 | $-26,539,458 |
| Total of all expenses incurred | 2015-12-31 | $11,221 |
| 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 | $1,258,969,459 |
| Value of total assets at beginning of year | 2015-12-31 | $1,112,195,388 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $11,221 |
| Total interest from all sources | 2015-12-31 | $121 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $5,700 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $541,774 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $45,634,267 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $548,215 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $45,676,375 |
| Administrative expenses (other) incurred | 2015-12-31 | $-169 |
| Value of net income/loss | 2015-12-31 | $10,993,191 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $1,258,421,244 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,066,519,013 |
| Investment advisory and management fees | 2015-12-31 | $5,690 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $1,258,377,686 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $1,066,510,971 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $49,999 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $50,150 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $50,150 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $121 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $194,162,560 |
| Aggregate proceeds on sale of assets | 2015-12-31 | $201,551,696 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $228,091,154 |
| 2014 : RUSSELL 3000 INDEX FUND B 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $-166,081,534 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $-166,081,534 |
| Total transfer of assets to this plan | 2014-12-31 | $247,508,434 |
| Total transfer of assets from this plan | 2014-12-31 | $1,315,221,507 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $45,676,375 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $80,929 |
| Total income from all sources (including contributions) | 2014-12-31 | $152,941,524 |
| Total loss/gain on sale of assets | 2014-12-31 | $15,845,643 |
| Total of all expenses incurred | 2014-12-31 | $11,425 |
| 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 | $1,112,195,388 |
| Value of total assets at beginning of year | 2014-12-31 | $1,981,382,916 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $11,425 |
| Total interest from all sources | 2014-12-31 | $82 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $5,650 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $45,634,267 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $73,852 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $45,676,375 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $80,929 |
| Value of net income/loss | 2014-12-31 | $152,930,099 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,066,519,013 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,981,301,987 |
| Investment advisory and management fees | 2014-12-31 | $5,775 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $1,066,510,971 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $1,981,259,181 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $50,150 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $49,883 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $49,883 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $82 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $303,177,333 |
| Aggregate proceeds on sale of assets | 2014-12-31 | $1,294,965,755 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $1,279,120,112 |
| 2013 : RUSSELL 3000 INDEX FUND B 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $213,347,379 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $213,347,379 |
| Total transfer of assets to this plan | 2013-12-31 | $227,077,242 |
| Total transfer of assets from this plan | 2013-12-31 | $383,426,187 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $80,929 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $136,857 |
| Total income from all sources (including contributions) | 2013-12-31 | $528,684,213 |
| Total loss/gain on sale of assets | 2013-12-31 | $12,361,362 |
| Total of all expenses incurred | 2013-12-31 | $11,675 |
| 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 | $1,981,382,916 |
| Value of total assets at beginning of year | 2013-12-31 | $1,609,115,251 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $11,675 |
| Total interest from all sources | 2013-12-31 | $128 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $5,900 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $73,852 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $105,032 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $80,929 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $136,857 |
| Value of net income/loss | 2013-12-31 | $528,672,538 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,981,301,987 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,608,978,394 |
| Investment advisory and management fees | 2013-12-31 | $5,775 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $1,981,259,181 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $1,608,935,294 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $49,883 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $74,925 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $74,925 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $128 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $302,975,344 |
| Aggregate proceeds on sale of assets | 2013-12-31 | $373,689,383 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $361,328,021 |
| 2012 : RUSSELL 3000 INDEX FUND B 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $-88,837,214 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $-88,837,214 |
| Total transfer of assets to this plan | 2012-12-31 | $416,123,675 |
| Total transfer of assets from this plan | 2012-12-31 | $376,327,229 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $136,857 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $5,840,878 |
| Total income from all sources (including contributions) | 2012-12-31 | $229,655,899 |
| Total loss/gain on sale of assets | 2012-12-31 | $60,570,772 |
| Total of all expenses incurred | 2012-12-31 | $11,640 |
| 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 | $1,609,115,251 |
| Value of total assets at beginning of year | 2012-12-31 | $1,345,378,567 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $11,640 |
| Total interest from all sources | 2012-12-31 | $74 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $5,800 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $105,032 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $5,832,998 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $136,857 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $5,840,878 |
| Value of net income/loss | 2012-12-31 | $229,644,259 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,608,978,394 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,339,537,689 |
| Investment advisory and management fees | 2012-12-31 | $5,840 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $1,608,935,294 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $1,339,544,029 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $74,925 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $1,540 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $1,540 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $74 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $257,922,267 |
| Aggregate proceeds on sale of assets | 2012-12-31 | $332,997,512 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $272,426,740 |
| 2011 : RUSSELL 3000 INDEX FUND B 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-393,190,460 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-393,190,460 |
| Total transfer of assets to this plan | 2011-12-31 | $616,100,110 |
| Total transfer of assets from this plan | 2011-12-31 | $477,632,105 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $5,840,878 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $1,008,236 |
| Total income from all sources (including contributions) | 2011-12-31 | $20,923,307 |
| Total loss/gain on sale of assets | 2011-12-31 | $211,406,729 |
| Total of all expenses incurred | 2011-12-31 | $12,563 |
| 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 | $1,345,378,567 |
| Value of total assets at beginning of year | 2011-12-31 | $1,181,167,176 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $12,563 |
| Total interest from all sources | 2011-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $0 |
| Administrative expenses professional fees incurred | 2011-12-31 | $6,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $5,832,998 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $1,000,489 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $5,840,878 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $1,008,236 |
| Value of net income/loss | 2011-12-31 | $20,910,744 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,339,537,689 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $1,180,158,940 |
| Investment advisory and management fees | 2011-12-31 | $5,753 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $1,339,544,029 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $1,180,165,346 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $1,540 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $1,341 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $1,341 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $202,707,038 |
| Aggregate proceeds on sale of assets | 2011-12-31 | $408,812,057 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $197,405,328 |
| 2010 : RUSSELL 3000 INDEX FUND B 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $148,864,364 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $148,864,364 |
| Total transfer of assets to this plan | 2010-12-31 | $720,011,423 |
| Total transfer of assets from this plan | 2010-12-31 | $1,148,402,761 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $1,008,236 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $5,008,605 |
| Total income from all sources (including contributions) | 2010-12-31 | $180,560,673 |
| Total loss/gain on sale of assets | 2010-12-31 | $93,961,021 |
| Total of all expenses incurred | 2010-12-31 | $12,630 |
| 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 | $1,181,167,176 |
| Value of total assets at beginning of year | 2010-12-31 | $1,433,010,840 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $12,630 |
| Total interest from all sources | 2010-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $0 |
| Administrative expenses professional fees incurred | 2010-12-31 | $6,810 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $1,000,489 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $5,000,000 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $1,008,236 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $5,008,605 |
| Value of net income/loss | 2010-12-31 | $180,548,043 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $1,180,158,940 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,428,002,235 |
| Investment advisory and management fees | 2010-12-31 | $5,820 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $1,180,165,346 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $1,428,009,285 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $1,341 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $1,555 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $1,555 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $-62,264,712 |
| Aggregate proceeds on sale of assets | 2010-12-31 | $954,612,074 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $860,651,053 |
