LEASES - Schedule of Components of Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets:
Operating	$ 7,230	$ 5,171
Finance	3,609	4,296
Total ROU assets	10,839	9,467
Current Liabilities:
Operating	$ 1,161	$ 1,182
Operating Lease Liability Current Statement Of Financial Position [Extensible List]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Finance	$ 1,325	$ 1,416
Long-term
Operating	$ 5,538	$ 3,441
Operating Lease Liability Noncurrent Statement Of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities
Finance	$ 1,945	$ 2,592
Total lease liabilities	$ 9,969	$ 8,631