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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Claims and insurance reserves | $ 28,390 | $ 27,433
Accrued vacation | 17,642 | 17,932
Deferred compensation | 42,417 | 31,306
Other | 11,843 | 20,861
Total deferred tax assets | 100,292 | 97,532
Depreciation and amortization | (354,762) | (339,311)
Other | (3,617) | (3,151)
Total deferred tax liabilities | (358,379) | (342,462)
Net deferred tax liability | $ (258,087) | $ (244,930)

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