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FAIR VALUE OF DERIVATIVES AND FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Fair Value |  |
Notes receivable, net | $ 139,047 | $ 157,992
Debt instruments - fair value |  |
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 1,104,276 | 856,294
Transfers between levels of fair value hierarchy | 0 |
Carrying Amount | Fair Value, Measurements, Recurring |  |
Fair Value |  |
Notes receivable, net | 139,047 | 157,992
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 139,056 | 157,994
Debt instruments - fair value |  |
Total liabilities | 5,482,007 | 5,004,978
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 1,104,276 | 856,294
Carrying Amount | Interest rate contracts | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivatives - Interest rate contracts | 113 | 167
Carrying Amount | Interest rate contracts | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 9 | 2
Fair Value | Fair Value, Measurements, Recurring |  |
Fair Value |  |
Notes receivable, net | 149,055 | 170,411
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 149,064 | 170,413
Debt instruments - fair value |  |
Total liabilities | 5,704,755 | 5,382,320
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 1,104,276 | 856,294
Fair Value | Interest rate contracts | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivatives - Interest rate contracts | 113 | 167
Fair Value | Interest rate contracts | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 9 | 2
Fair Value | Level 2 | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 9 | 2
Debt instruments - fair value |  |
Total liabilities | 113 | 167
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 1,104,276 | 856,294
Fair Value | Level 2 | Interest rate contracts | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivatives - Interest rate contracts | 113 | 167
Fair Value | Level 2 | Interest rate contracts | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 9 | 2
Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value |  |
Notes receivable, net | 149,055 | 170,411
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 149,055 | 170,411
Debt instruments - fair value |  |
Total liabilities | 5,704,642 | 5,382,153
Unsecured Debt | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 3,921,028 | 3,922,314
Unsecured Debt | Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 4,095,997 | 4,283,045
Unsecured Debt | Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 4,095,997 | 4,283,045
Unsecured Debt | Working Capital Credit Facility | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 27,318 | 28,024
Unsecured Debt | Working Capital Credit Facility | Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 27,318 | 28,024
Unsecured Debt | Working Capital Credit Facility | Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 27,318 | 28,024
Unsecured Debt | Commercial Paper | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 470,000 | 190,000
Unsecured Debt | Commercial Paper | Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 470,000 | 190,000
Unsecured Debt | Commercial Paper | Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 470,000 | 190,000
Fixed Rate Debt | Secured Debt | Mortgages Note Payable | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 1,036,548 | 837,473
Fixed Rate Debt | Secured Debt | Mortgages Note Payable | Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 1,084,327 | 854,084
Fixed Rate Debt | Secured Debt | Mortgages Note Payable | Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 1,084,327 | 854,084
Variable Rate Debt | Secured Debt | Tax-exempt secured notes payable | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 27,000 | 27,000
Variable Rate Debt | Secured Debt | Tax-exempt secured notes payable | Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 27,000 | 27,000
Variable Rate Debt | Secured Debt | Tax-exempt secured notes payable | Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | $ 27,000 | $ 27,000

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