Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)

v3.20.4
Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Claims and insurance reserves $ 28,863 $ 28,390
Accrued vacation 15,867 17,642
Deferred compensation 43,134 42,417
Other 29,451 11,843
Total deferred tax assets 117,315 100,292
Depreciation and amortization (330,751) (354,762)
Other (3,640) (3,617)
Total deferred tax liabilities (334,391) (358,379)
Net deferred tax liability $ (217,076) $ (258,087)