LEASES - Future Operating Lease Liability Maturities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Future operating lease liability maturities
2020	$ 508		$ 508
2021	2,024		2,024
2022	2,144		2,144
2023	2,195		2,195
2024	2,045		2,045
2025 and thereafter	83,230		83,230
Total operating lease payments	92,146		92,146
Less: Imputed interest	(50,736)		(50,736)
Lease liabilities	41,410		41,410		$ 46,391
Operating lease amount paid	$ 500	$ 600	$ 1,700	$ 1,900