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REAL ESTATE INVESTMENTS - Narrative (Details) $ in Thousands		6 Months Ended
	Jul. 29, 2022 USD ($) loan	Jun. 30, 2022 USD ($) ft² property	Jul. 28, 2022 loan	Dec. 31, 2021 USD ($)	Dec. 01, 2021 USD ($) ft² property apartment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Investment in real estate ventures		$ 429,246		$ 411,110
Rentable area (in square feet) | ft²		13,639,287
Principal balance outstanding		$ 2,042,610
Unsecured Debt
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal balance outstanding		2,042,610		1,851,610
Unsecured Debt | $600 million Unsecured Credit Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal balance outstanding		$ 214,000		$ 23,000
Unsecured Debt | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | $600 million Unsecured Credit Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Spread on variable rate		1.15%
Unsecured Debt | Daily SOFR Adjustment | $600 million Unsecured Credit Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Spread on variable rate		0.10%
One Uptown Venture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Investment in real estate ventures					$ 328,400
Number of apartment residence | apartment					341
Joint venture, funding committed by other party					$ 61,000
Construction loan, percentage of total cost		63.00%
One Uptown Venture | Subsequent Event | Carry Guarantee | Loans Payable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Guarantee percent	30.00%
One Uptown Venture | Subsequent Event | Limited Payment Guarantee | Loans Payable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Guarantee percent	15.00%
One Uptown Venture | Construction Loans
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal balance outstanding		$ 206,700
One Uptown Venture | Construction Loans | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal balance outstanding	$ 121,700
Number of loans closed | loan	2		2
One Uptown Venture | Construction Loans | Subsequent Event | Multifamily Joint Venture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal balance outstanding	$ 85,000
One Uptown Venture | Construction Loans | Subsequent Event | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Spread on variable rate	3.00%
One Uptown Venture | Construction Loans | Subsequent Event | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Multifamily Joint Venture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Spread on variable rate	2.45%
One Uptown Venture | Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity method investment, ownership percentage					50.00%
One Uptown Venture | Common Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity method investment, ownership percentage					50.00%
One Uptown Venture | Class A Workspace
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rentable area (in square feet) | ft²					348,000
One Uptown Venture | Street Level Retail
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rentable area (in square feet) | ft²					15,000
Canyon Partners Real Estate | One Uptown Venture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of joint ventures | property		2			2

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