BENEFICIARIES' EQUITY OF THE PARENT COMPANY - Narrative (Details) - USD ($)		12 Months Ended
	Dec. 07, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 03, 2019	Jan. 10, 2017
Class of Stock [Line Items]
Dividends, common stock	$ 32,800,000
Preferred shares authorized (in shares)		20,000,000	20,000,000
Preferred shares outstanding (in shares)		0	0
shares repurchased and retired (in units)		$ 0			$ 150,000,000
Repurchased and retired (in shares)			6,248,483	1,337,169
Share price (in usd per share)			$ 9.60	$ 12.92
Repurchased and retired, value			$ 59,999,000	$ 17,281,000
Common stock, shares authorized (in shares)		400,000,000	400,000,000
Common shares remain available for issuance (in shares)		0
Offering Program
Class of Stock [Line Items]
Common stock, shares authorized (in shares)						16,000,000
Common shares issued under offering program (in shares)			0	0
Commerce Square
Class of Stock [Line Items]
Units issued to acquire noncontrolling interest (in units)		226,695
Percent of noncontrolling interest acquired		1.00%
Dividend Declared
Class of Stock [Line Items]
Dividends payable, amount per share (in usd per share)	$ 0.19
Redeemable Common Limited Partnership Units
Class of Stock [Line Items]
Redeemable common limited partnership units (in shares)		823,983	981,634	981,634