Receivables, net - Schedule of Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	$ 637,904	$ 465,129
Less: allowance for credit losses	1,107	1,142
Total net receivables	636,797	463,987
Contracts completed and in progress:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Billed	279,044	220,809
Unbilled	200,418	120,348
Receivables	479,462	341,157
Materials sales
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	84,919	52,182
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	$ 73,523	$ 71,790