LEASES - Other Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 1,649	$ 2,492
Operating cash flows for financing leases	221	107
Financing cash flows for financing leases	1,119	631
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	$ 584	$ 0
Weighted average remaining lease term, operating lease	4 years		4 years
Weighted average remaining lease term, financing lease	8 years		8 years
Weighted average discount rate, operating leases	4.10%		4.10%
Weighted average discount rate, financing leases	3.00%		3.00%