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Leases - Supplemental Cash Flow Information Related to the Company's Leases (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Lease Cost [Abstract]        
Operating cash flows from operating leases $ 696 $ 1,291 $ 1,710 $ 2,582
Right-of-use assets obtained in exchange for operating lease obligations: $ 17,377 $ 105 $ 17,377 $ 381