Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 2,275	$ 5,695
Customer receivables, net of allowance of $990 and $11 at December 31, 2022 and December 31, 2021, respectively	222,794	231,687
Other receivables	17,676	18,046
Prepaid insurance and licenses	13,847	13,867
Operating supplies	8,410	9,550
Assets held for sale	25,759	11,831
Other current assets	46,642	32,020
Total current assets	337,403	322,696
Property and equipment, at cost	980,607	890,933
Less accumulated depreciation and amortization	(397,806)	(370,112)
Net property and equipment	582,801	520,821
Other assets
Operating lease right of use assets	333,498	292,347
Goodwill	59,221	59,221
Intangible assets, net	23,784	24,129
Other	44,758	50,829
Total other assets	461,261	426,526
Total assets	1,381,465	1,270,043
Current liabilities
Accounts payable	111,222	126,910
Book overdraft	4,213	7,096
Accrued wages and benefits	35,457	45,011
Claims and insurance accruals, current	73,372	44,309
Other accrued liabilities	13,403	5,962
Current portion of operating lease liabilities	105,078	88,375
Current maturities of long-term debt and finance leases	124,033	85,117
Total current liabilities	466,778	402,780
Liabilities, Noncurrent
Long-term debt and finance leases, net of current maturities	360,175	290,392
Less unamortized discount and debt issuance costs	(310)	(357)
Net long-term debt and finance leases	359,865	290,035
Deferred income taxes	8,549	24,301
Other long-term liabilities	22,878	14,457
Claims and insurance accruals, long-term	50,825	54,819
Noncurrent operating lease liabilities	230,505	205,362
Commitments and contingencies (Note 11)
Stockholders' equity
Additional paid-in capital	273,781	267,621
Retained earnings (deficit)	(35,548)	8,440
Stockholders' equity	238,748	276,566
Noncontrolling interest	3,317	1,723
Total stockholders' equity	242,065	278,289
Total liabilities and stockholders' equity	1,381,465	1,270,043
Common stock Class A
Stockholders' equity
Common stock	357	348
Common stock Class A
Stockholders' equity
Common stock	$ 158	$ 157