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FAIR VALUE OF DERIVATIVES AND FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Fair Value |  |
Notes receivable, net | $ 40,128 | $ 26,860
Debt instruments - fair value |  |
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 920,311 | $ 1,299,442
Transfers between levels of fair value hierarchy | $ 0 |
Equity Securities |  |
Debt instruments - fair value |  |
Percentage Of illiquidity discount | 15.00% | 15.00%
Carrying (Reported) Amount, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable | $ 40,128 | $ 26,860
Total assets | 63,909 | 33,369
Debt instruments - fair value |  |
Total liabilities | 5,654,309 | 5,443,393
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 920,311 | 1,299,442
Carrying (Reported) Amount, Fair Value Disclosure | 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 | 16,117 | 3,279
Carrying (Reported) Amount, Fair Value Disclosure | Equity Securities | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Equity securities | 7,664 | 3,230
Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable | 41,275 | 27,372
Total assets | 65,056 | 33,881
Debt instruments - fair value |  |
Total liabilities | 4,758,062 | 5,508,491
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 920,311 | 1,299,442
Estimate of Fair Value, Fair Value Disclosure | 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 | 16,117 | 3,279
Estimate of Fair Value, Fair Value Disclosure | Equity Securities | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Equity securities | 7,664 | 3,230
Estimate of Fair Value, Fair Value Disclosure | Level 1 | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 7,664 |
Estimate of Fair Value, Fair Value Disclosure | 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 | 7,664 |
Estimate of Fair Value, Fair Value Disclosure | Level 2 | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 16,117 | 3,279
Debt instruments - fair value |  |
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership | 920,311 | 1,299,442
Estimate of Fair Value, Fair Value Disclosure | 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 | 16,117 | 3,279
Estimate of Fair Value, Fair Value Disclosure | Level 3 | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable | 41,275 | 27,372
Total assets | 41,275 | 30,602
Debt instruments - fair value |  |
Total liabilities | 4,758,062 | 5,508,491
Estimate of Fair Value, Fair Value Disclosure | Level 3 | Equity Securities | Fair Value, Measurements, Recurring |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Equity securities |  | 3,230
Unsecured Debt | Carrying (Reported) Amount, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 4,131,556 | 4,133,083
Unsecured Debt | Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 3,366,736 | 4,199,363
Unsecured Debt | Estimate of Fair Value, Fair Value Disclosure | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 3,366,736 | 4,199,363
Unsecured Debt | Working capital credit facility | Carrying (Reported) Amount, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 41,181 | 29,546
Unsecured Debt | Working capital credit facility | Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 41,181 | 29,546
Unsecured Debt | Working capital credit facility | Estimate of Fair Value, Fair Value Disclosure | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 41,181 | 29,546
Unsecured Debt | Commercial Paper | Carrying (Reported) Amount, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 425,000 | 220,000
Unsecured Debt | Commercial Paper | Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 425,000 | 220,000
Unsecured Debt | Commercial Paper | Estimate of Fair Value, Fair Value Disclosure | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 425,000 | 220,000
Fixed Rate Debt | Secured Debt | Mortgages Notes Payable | Carrying (Reported) Amount, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 1,029,572 | 1,033,764
Fixed Rate Debt | Secured Debt | Mortgages Notes Payable | Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 898,145 | 1,032,582
Fixed Rate Debt | Secured Debt | Mortgages Notes Payable | Estimate of Fair Value, Fair Value Disclosure | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | 898,145 | 1,032,582
Variable Rate Debt | Secured Debt | Tax-exempt secured notes payable | Carrying (Reported) Amount, Fair Value Disclosure | 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 Disclosure | 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 Disclosure | Level 3 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Fair value | $ 27,000 | $ 27,000

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