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Accounts Payable and Accrued Expenses - Summary of Accounts Payable and Accrued Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Payables And Accruals [Abstract]    
Trade accounts payable, including amounts due to subcontractors $ 55,899 $ 48,762
Compensation and related benefits 5,079 5,712
Accrued warranty 4,090 4,664
Contract liability 3,974 5,666
Short-term operating lease liability 2,274 2,610
Other 13,681 10,905
Total accounts payable and accrued expenses $ 84,997 $ 78,319