Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating activities
Net income	$ 8,005	$ 2,417
Adjustments to reconcile net income to net cash provided by operating activities:
Early extinguishment of debt		7,753
Deferred income tax provision (benefit)	1,824	(959)
Depreciation and amortization	44,401	46,792
Losses on sale of equipment	3,413	2,063
Share based compensation	1,880	629
Other	572	1,771
Interest paid (received) in kind		(7,516)
Gain on sale of subsidiary	(670)
Changes in operating assets and liabilities:
Receivables	5,320	(17,531)
Prepaid insurance and licenses	612	(504)
Operating supplies	72	(1,042)
Other assets	(3,288)	(3,777)
Accounts payable and other accrued liabilities	(2,167)	(15,353)
Accrued wages and benefits	(2,401)	4,356
Net cash provided by operating activities	57,573	19,099
Investing activities
Payments for purchases of property and equipment	(105,137)	(62,864)
Proceeds from sales of property and equipment	23,041	15,355
Other		(500)
Sale of subsidiary, net of cash	(8,259)
Net cash used in investing activities	(90,355)	(48,009)
Financing activities
Borrowings under lines of credit	10,700	214,432
Payments under lines of credit	(9,900)	(243,765)
Borrowings under long-term debt	65,704	244,677
Payments of long-term debt	(51,936)	(427,341)
Payments of financing costs and original issue discount		(4,151)
Proceeds from IPO, net of issuance costs		247,098
Payments of long-term consideration for business acquisition	(990)	(1,010)
Purchase of noncontrolling interest	(8,659)
Tax withholding related to net share settlement of restricted stock awards	(44)
Repurchase of membership units		(217)
Book overdraft	9,791	(3,537)
Net cash provided by financing activities	14,666	26,186
Change in cash previously included in assets held for sale	11,784
Net change in cash and cash equivalents	(6,332)	(2,724)
Cash and cash equivalents:
Beginning of year	9,892	9,232
End of period	3,560	6,508
Supplemental disclosure of cash flow information
Cash paid during the year for interest	10,622	37,529
Cash paid during the year for income taxes	252	1,110
Supplemental disclosure of significant noncash investing and financing activities
Debt obligations relieved in conjunction with the divestiture of Xpress Internacional	7,109
Capital lease extinguishments	$ 40	$ 997
Uncollected proceeds from asset sales	919	206