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Leases - Components Of Lease Cost (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases    
Operating lease cost $ 1,835 $ 758
Finance lease cost:    
Amortization of right-of-use assets 56 10
Interest on finance lease liabilities 10 3
Total finance lease cost 66 13
Total lease cost $ 1,901 $ 771