SUBSEQUENT EVENTS (Details) $ / shares in Units, $ in Thousands			6 Months Ended
	Jul. 28, 2022 USD ($) loan	Jul. 25, 2022	Jun. 30, 2022 USD ($) $ / shares	Jul. 26, 2022 USD ($) $ / shares	Dec. 31, 2021 USD ($)
Subsequent Event [Line Items]
Outstanding Balance			$ 1,003,059		$ 1,041,157
Outstanding Principal			$ 2,625,448		$ 2,429,112
Cash dividends payable (in dollars per share) | $ / shares			$ 0.33
Supplemental cash dividend payable (in dollars per share) | $ / shares			$ 0.02
Subsequent Event
Subsequent Event [Line Items]
Share repurchase program, authorized amount.				$ 50,000
Cash dividends payable (in dollars per share) | $ / shares				$ 0.33
Supplemental cash dividend payable (in dollars per share) | $ / shares				$ 0.02
NEW YORK | Multifamily | Subsequent Event | Senior Mortgage Loans
Subsequent Event [Line Items]
Outstanding Principal	$ 133,000
SOFR | Subsequent Event
Subsequent Event [Line Items]
Basis spread on variable rate	2.00%
ACRC Lender CO LLC | Subsequent Event
Subsequent Event [Line Items]
Extension period of maturity date	12 months
Outstanding Balance	$ 105,000
Number of extension options | loan	2
Revolving master repurchase facility | MetLife Facility
Subsequent Event [Line Items]
Extension period of maturity date			12 months
Revolving master repurchase facility | MetLife Facility | Subsequent Event
Subsequent Event [Line Items]
Extension period of maturity date		12 months