LOANS PAYABLE AND SECURED LINE OF CREDIT - Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
LOANS PAYABLE AND SECURED LINE OF CREDIT
Interest expense	$ 21,238	$ 17,174	$ 13,513
Interest capitalized	(18,229)	(15,719)	(13,513)
Interest income	(2)	(57)	(67)
Interest expense (income), net	$ 3,007	$ 1,398	$ (67)