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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Deferred income tax liabilities: |  |  |
Property and equipment | $ (286,950) | $ (278,303) |
Goodwill | (129,491) | (93,632) |
Leased assets | (84,870) | (76,728) |
Retainage | (28,773) | (32,661) |
Total deferred income tax liabilities | (530,084) | (481,324) |
Deferred income tax assets: |  |  |
Lease liabilities | 84,189 | 76,608 |
Other intangible assets | 73,654 | 19,110 |
Net operating loss carryforwards | 56,556 | 78,947 |
Stock and incentive compensation | 55,413 | 50,772 |
Accruals and reserves | 48,168 | 66,000 |
Tax credits | 34,413 | 39,826 |
Deferred tax benefits on unrecognized tax positions | 8,899 | 10,090 |
Equity method investments and non-controlling interests | 5,878 | 273 |
Other | 5,849 | 7,114 |
Subtotal | 373,019 | 348,740 |
Valuation allowance | (58,461) | (41,308) | $ (43,300)
Total deferred income tax assets | 314,558 | 307,432 |
Total net deferred income tax liabilities | $ (215,526) | $ (173,892) |

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