EQUITY - Changes in common stock (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Beginning common shares outstanding	105,708,787	105,169,515
Common Unit redemptions	36,945	47,279
Performance share and other forfeitures	(61,996)	(212,643)
Shares retained for employee tax withholding requirements	(267,468)	(65,345)
Ending common shares outstanding	106,337,724	105,708,787
Director stock
Class of Stock [Line Items]
Grants under the Equity Plan	60,546	93,810
Grants under the Equity Plan
Class of Stock [Line Items]
Grants under the Equity Plan	860,910	676,171