| NONCONTROLLING INTERESTS IN SUBSIDIARIES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
| Mar. 13, 2019 | Jun. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | |
| Noncontrolling Interest [Line Items] | ||||
| Rebalance of ownership percentage | $ 2.6 | |||
| Number of common shares received upon redemption of common units (in shares) | 1 | 1 | ||
| Participation Rights | ||||
| Noncontrolling Interest [Line Items] | ||||
| Excess net cash flow remaining after the distribution to the Company | 50.00% | |||
| Internal rate of return | 10.00% | |||
| VERIS RESIDENTIAL, L.P. | ||||
| Noncontrolling Interest [Line Items] | ||||
| Percentage of noncontrolling interest | 9.30% | 9.30% | 9.00% | |
| AO LTIP Units Award | ||||
| Noncontrolling Interest [Line Items] | ||||
| Shares granted (in shares) | 625,000 | |||
| Exercisable period | 10 years | |||
| Flex Portfolio | ||||
| Noncontrolling Interest [Line Items] | ||||
| Redemption of common units (in shares) | 108,416 | |||
| Proceeds from sale of properties | $ 1.8 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available. 
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- Definition Cash received for the sale of real estate that is not part of an investing activity during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Number Of Common Shares Received Upon Redemption Of Common Units No definition available. 
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- Definition Rebalance Of Ownership Percentage No definition available. 
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- Definition Redemption Of Common Units, Shares No definition available. 
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