Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 2,963	$ 2,275
Customer receivables, net of allowance of $990 and $990 at March 31, 2023 and December 31, 2022, respectively	207,934	222,794
Other receivables	16,078	17,676
Prepaid insurance and licenses	16,609	13,847
Operating supplies	7,957	8,410
Assets held for sale	22,148	25,759
Other current assets	26,057	46,642
Total current assets	299,746	337,403
Property and equipment, at cost	979,952	980,607
Less accumulated depreciation and amortization	(404,476)	(397,806)
Net property and equipment	575,476	582,801
Other assets
Operating lease right of use assets	347,751	333,498
Goodwill	59,221	59,221
Intangible assets, net	23,698	23,784
Deferred tax assets	1,684
Other	42,183	44,758
Total other assets	474,537	461,261
Total assets	1,349,759	1,381,465
Current liabilities
Accounts payable	96,517	111,222
Book overdraft	8,217	4,213
Accrued wages and benefits	24,135	35,457
Claims and insurance accruals, current	55,797	73,372
Other accrued liabilities	12,974	13,403
Current portion of operating lease liabilities	103,893	105,078
Current maturities of long-term debt and finance leases	122,358	124,033
Total current liabilities	423,891	466,778
Liabilities, Noncurrent
Long-term debt and finance leases, net of current maturities	382,118	360,175
Less unamortized discount and debt issuance costs	(50)	(310)
Net long-term debt and finance leases	382,068	359,865
Deferred income taxes		8,549
Other long-term liabilities	20,232	22,878
Claims and insurance accruals, long-term	63,556	50,825
Noncurrent operating lease liabilities	243,503	230,505
Commitments and contingencies (Note 7)
Stockholders' equity
Additional paid-in capital	275,291	273,781
Retained earnings deficit	(62,668)	(35,548)
Stockholders' equity	213,149	238,748
Noncontrolling interest	3,360	3,317
Total stockholders' equity	216,509	242,065
Total liabilities and stockholders' equity	1,349,759	1,381,465
Common stock Class A
Stockholders' equity
Common stock	395	357
Common Stock Class B
Stockholders' equity
Common stock	$ 131	$ 158