Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 6,110	$ 9,232
Customer receivables, net of allowance of $78 and $122 at September 30, 2018 and December 31, 2017, respectively	216,814	186,407
Other receivables	28,523	21,637
Prepaid insurance and licenses	16,824	7,070
Operating supplies	8,503	8,787
Assets held for sale	6,756	3,417
Other current assets	16,462	12,170
Total current assets	299,992	248,720
Property and equipment, at cost	864,350	835,814
Less accumulated depreciation and amortization	(389,622)	(371,909)
Net property and equipment	474,728	463,905
Other assets
Goodwill	57,708	57,708
Intangible assets, net	29,370	30,742
Other	20,809	19,496
Total other assets	107,887	107,946
Total assets	882,607	820,571
Current liabilities
Accounts payable	80,019	80,555
Book overdraft	7,164	3,537
Accrued wages and benefits	25,833	20,530
Claims and insurance accruals	49,813	47,641
Other accrued liabilities	5,993	13,901
Current maturities of long-term debt	120,305	132,332
Total current liabilities	289,127	298,496
Long-term debt, net of current maturities	280,122	480,472
Less: Unamortized discount and debt issuance costs	(1,413)	(7,266)
Net long-term debt	278,709	473,206
Deferred income taxes	19,204	15,630
Other long-term liabilities	9,379	14,350
Claims and insurance accruals, long-term	55,855	56,713
Commitments and contingencies (Notes 5 and 7)
Redeemable restricted units		3,281
Stockholders' Equity (Deficit)
Preferred stock, $.01 par value, 9,333,333 authorized, no shares issued
Additional paid-in capital	250,920	1
Accumulated deficit	(24,331)	(43,459)
Stockholders' equity (deficit)	227,072	(43,394)
Noncontrolling interest	3,261	2,289
Total stockholders' equity (deficit)	230,333	(41,105)
Total liabilities, redeemable restricted units and stockholders' equity (deficit)	882,607	820,571
Common Class A [Member]
Stockholders' Equity (Deficit)
Common stock	328	64
Common Class B [Member]
Stockholders' Equity (Deficit)
Common stock	$ 155