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Accounts Receivable - Summary of Accounts Receivable (Detail) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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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

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