CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Net loss	$ (797)	$ (7,746)
Adjustments to reconcile net loss to net cash provided by operating activities
Depreciation	23,287	14,873
Amortization of intangible assets	1,895	1,442
Amortization of deferred financing fees	723	311
Write-off of deferred financing fees		3,883
Stock-based compensation expense	886
Deferred taxes	(486)	(3,071)
Bad debt expense (recovery)	(35)	45
Non-cash interest expense		92
Gain on disposition of property and equipment	(991)	(185)
Deferred gain recognized on sales-type leases	(535)	(156)
Changes in operating assets and liabilities
Accounts receivable	(16,137)	(13,211)
Drivers' advances and other receivables	9	221
Payments received on sales-type leases	3,045	899
Prepaid and other current assets	(2,290)	140
Accounts payable	1,746	2,716
Accrued expenses and other liabilities	3,869	1,454
Net cash provided by operating activities	14,189	1,707
Cash flows from investing activities
Purchase of property and equipment	(7,580)	(1,494)
Proceeds from sale of property and equipment	5,868	1,455
Net cash used in investing activities	(1,712)	(39)
Cash flows from financing activities:
Advances on line of credit	212,634	164,233
Repayments on line of credit	(209,975)	(171,091)
Advances on long-term debt	5,901
Principal payments on and payoff of long-term debt	(12,393)	(220,406)
Proceeds from Term Loan Facility		250,000
Deferred financing fees	(18)	(14,229)
Pay off of subordinated debt		(66,715)
Issuance of common stock	84,569	64,577
Repurchase of common stock		(36,168)
Exercise of options	49
Net cash provided by financing activities	79,528	33,186
Effect of exchange rates on cash and cash equivalents	14
Net increase in cash and cash equivalents	92,019	34,854
Cash and cash equivalents – beginning of period	90,679	3,695
Cash and cash equivalents – end of period	182,698	38,549
Supplemental disclosure of cash flow information
Cash paid for interest	9,635	6,870
Cash paid for income taxes	97	223
Noncash investing and financing activities
Property and equipment sold for notes receivable	332	35
Property and equipment transferred to sales-type lease	1,304	1,699
Sales-type lease returns to property and equipment		645
Sales-type lease assets sold for notes receivable	9,162	6,071
Sales-type lease returns to sales-type lease assets	8,811	3,491
Series A
Cash flows from financing activities:
Issuance of convertible preferred stock		65,000
Convertible preferred stock dividends	$ (1,239)
Series B
Cash flows from financing activities:
Convertible preferred stock dividends		$ (2,015)