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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows from operating leases $ 475 $ 149
Operating cash flows from finance leases 385 517
Financing cash flows from finance leases 3,299 2,814
Right-of-use assets obtained in exchange for new lease liabilities:    
Finance leases 322 9
Operating leases $ 3,462 $ 0