Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Summary of Components of Lease Expenses (Detail)

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Commitments and Contingencies - Summary of Components of Lease Expenses (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Commitments And Contingencies Disclosure [Abstract]    
Operating Lease Cost $ 6,123 $ 5,937
Financing Lease Cost:    
Amortization of ROU assets 118 106
Interest on lease liabilities 10 8
Total $ 128 $ 114