LEASES - Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) lease	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) lease	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Apr. 30, 2019 USD ($)
Leases [Abstract]
Number of operating leases | lease	1		1
ROU asset	$ 24,416,000		$ 24,416,000		$ 34,600,000
Lease liability	35,539,000		35,539,000		34,500,000
Lease incentive receivable					$ 7,900,000
Operating lease extension term						5 years
Aggregate base rent						$ 49,500,000
Operating lease expense	$ 1,200,000		$ 2,400,000
Credit to operating lease expense		$ 200,000		$ 0