SUPPLEMENTAL CASH FLOW DISCLOSURES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Distributions declared and unpaid	$ 9,375	$ 15,979
Accrued capital expenditures	365	919
Accrued deferred financing costs	251	0
Interest income capitalized to loans held-for-investment	539	7,428
Common stock issued through distribution reinvestment plan	34,191	62,745
Change in fair value of interest rate swaps	(3,335)	(15,921)
Supplemental Cash Flow Disclosures:
Interest paid	45,297	74,127
Cash paid for taxes	$ 1,555	$ 414