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FAIR VALUE OF DERIVATIVES AND FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | $ 558 | $ 3,227
Debt instruments - fair value |  |
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 876,127 | 1,017,355
Transfers between levels of fair value hierarchy | 0 |
Carrying Amount | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable | 146,749 | 247,849
Total assets | 148,339 | 252,357
Debt instruments - fair value |  |
Total liabilities | 5,856,102 | 5,850,636
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 876,127 | 1,017,355
Carrying Amount | Equity Securities | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Equity securities | 1,032 | 1,281
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 | 558 | 3,227
Estimate of Fair Value | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable | 141,190 | 243,546
Total assets | 142,780 | 248,054
Debt instruments - fair value |  |
Total liabilities | 5,494,696 | 5,262,930
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 876,127 | 1,017,355
Estimate of Fair Value | Equity Securities | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Equity securities | 1,032 | 1,281
Estimate of 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 | 558 | 3,227
Estimate of Fair Value | Level 1 | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 1,032 | 1,281
Estimate of Fair Value | Level 1 | Equity Securities | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Equity securities | 1,032 | 1,281
Estimate of 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 | 558 | 3,227
Debt instruments - fair value |  |
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 876,127 | 1,017,355
Estimate of 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 | 558 | 3,227
Estimate of Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable | 141,190 | 243,546
Total assets | 141,190 | 243,546
Debt instruments - fair value |  |
Total liabilities | 5,494,696 | 5,262,930
Unsecured Debt | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 4,407,080 | 4,408,376
Unsecured Debt | Estimate of Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 4,093,122 | 3,897,187
Unsecured Debt | Estimate of Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 4,093,122 | 3,897,187
Unsecured Debt | Working Capital Credit Facility | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 15,686 | 9,361
Unsecured Debt | Working Capital Credit Facility | Estimate of Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 15,686 | 9,361
Unsecured Debt | Working Capital Credit Facility | Estimate of Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 15,686 | 9,361
Unsecured Debt | Commercial Paper | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 340,000 | 289,900
Unsecured Debt | Commercial Paper | Estimate of Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 340,000 | 289,900
Unsecured Debt | Commercial Paper | Estimate of Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 340,000 | 289,900
Fixed Rate Debt | Secured Debt | Mortgages loans | Carrying Amount | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 1,066,336 | 1,115,999
Fixed Rate Debt | Secured Debt | Mortgages loans | Estimate of Fair Value | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 1,018,888 | 1,039,482
Fixed Rate Debt | Secured Debt | Mortgages loans | Estimate of Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 1,018,888 | 1,039,482
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 | Estimate of 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 | Estimate of Fair Value | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | $ 27,000 | $ 27,000

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