Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2016		Jun. 30, 2015
Cash flows from operating activities:
Net Income	[1],[2]	$ (1,839)		$ 20,391
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	[2]	19,761		15,339
(Gain) loss on disposal of property and equipment	[2]	(236)		1,700
Share-based compensation		1,126		1,621
Adjustments to contingent purchase obligation		0		(191)
Provision for bad debts	[2]	1,450		2,065
Tax deficiency on share-based compensation	[2]	285		(1,191)
Deferred tax provision	[2]	367		1,366
Changes in:
Accounts receivable	[2]	(4,095)		(26,981)
Income tax receivable	[2]	(4,230)		(6,235)
Prepaid expenses and other assets	[2]	12,922		5,550
Accounts payable	[2]	17,257		(3,637)
Accrued expenses and other liabilities	[2]	(7,025)		8,672
Net cash provided by operating activities	[2]	35,743		18,469
Cash flows from investing activities:
Acquisition of business, net of cash acquired	[2]	0		(87)
Capital expenditures	[2]	(10,631)		(25,935)
Proceeds from sale of property and equipment	[2]	5,082		1,996
Net cash used in investing activities	[2]	(5,549)		(24,026)
Cash flows from financing activities:
Borrowings under revolving credit facilities	[2]	121,745		96,807
Payments under revolving credit facilities	[2]	(141,394)		(91,807)
Debt payments	[2]	(7,500)		(5,000)
Debt issuance costs	[2]	(677)		(8)
Payments of contingent earnouts	[2]	(798)		(3,317)
Proceeds from issuance of restricted stock units, net of taxes paid	[2]	(177)		(861)
Proceeds from issuance of common stock, net of issuance costs	[2]	0		4,011
(Tax deficiency) excess tax benefit on share-based compensation	[2]	(285)		1,191
Reduction of capital lease obligation	[2]	(2,939)		(319)
Net cash (used in) provided by financing activities	[2]	(32,025)		697
Net decrease in cash and cash equivalents	[2]	(1,831)		(4,860)
Cash and cash equivalents:
Beginning of period		7,930	[3]	10,809	[2]
End of period	[2]	6,099	[3]	5,949
Supplemental cash flow information:
Cash paid for interest	[2]	9,686		7,897
Cash paid for income taxes (net of refunds)	[2]	910		9,109
Capital Lease Obligations Incurred	[2]	$ 0		$ 6,476

[1] See Note 13 “Restatement of Previously Issued Financial Statements

[2] See Note 13 “Restatement of Previously Issued Financial Statements.”

[3] See Note 13 “Restatement of Previously Issued Financial Statements