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Business Segments Reconciliation of Segment Information to Consolidated Amounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting [Abstract] |  |  |
Income (loss) from construction operations | $ 226,804 | $ 262,344 | $ (365,007)
Other income (expense) | 2,004 | (11,853) | 6,667
Interest expense | (69,026) | (76,212) | (67,494)
Income (loss) before income taxes | $ 159,782 | $ 174,279 | $ (425,834)

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