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Revenue Recognition - Retainages (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2023 | Dec. 31, 2022
Revenue from External Customer [Line Items] |  |  |  |
Contract with customer asset | $ 449,176 | $ 376,037 |  |
Contract with customer, liability | 83,581 | 75,425 |  |
Advanced billings revenue recognized | 51,500 | 62,300 |  |
Contracts in Progress |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Contract with customer asset | 436,279 | 365,861 |  |
Accounts Receivable |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Contract with customer asset | 55,172 | 46,670 |  |
Other Assets |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Contract with customer asset | $ 1,488 | $ 1,412 |  |
Other Assets | Forecast |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Contract with customer asset |  |  | $ 1,200 | $ 300

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