Accounts Receivable - Summary of Accounts Receivable (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract receivables	$ 81,956	$ 65,932
Allowance for doubtful accounts	(3,475)	(3,478)
Total accounts receivable	95,440	74,991
Trade Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables	$ 16,959	$ 12,537