LEASES - Schedule of Components of Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets:
Operating	$ 5,171	$ 10,570
Finance	4,296	5,685
Total ROU assets	9,467	16,255
Current Liabilities:
Operating	$ 1,182	$ 2,022
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Finance	$ 1,416	$ 1,200
Long-term
Operating	$ 3,441	$ 11,495
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities
Finance	$ 2,592	$ 4,302
Total lease liabilities	$ 8,631	$ 19,019