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Leases - Schedule of Additional Information of Operating Leases (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Leases [Abstract]        
Cash paid for amounts included in the measurement of lease liabilities $ 1,382 $ 1,348 $ 2,778 $ 2,685
ROU assets obtained in exchange for new liabilities $ 677 $ 1,682 $ 1,502 $ 2,052