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Leases - Summary of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities    
Operating cash flows from operating leases $ 3,338 $ 3,453
Operating cash flows from finance leases 338 360
Financing cash flows from finance leases 467 478
Operating leases $ 545 $ 3,547