CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ 3,929	$ (1,261)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	7,131	2,521
Amortization of intangible assets	11,265	7,092
Amortization of debt issuance costs and debt discount	2,399	892
Inventory fair value adjustment	71	990
Stock-based compensation	1,553	0
Provision for doubtful accounts	135	586
Unrealized gain on derivative instruments, net	(13,219)	0
Loss on disposal of property and equipment	152	100
Deferred income taxes	2,543	(450)
Change in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(11,273)	(5,129)
Other receivables	12,595	10,580
Inventories	(2,137)	(3,542)
Prepaid expenses and other current assets	787	(526)
Other assets	158	117
Accounts payable	8,249	15,467
Accrued payroll and employee benefits	(7,793)	(2,461)
Accrued taxes	(238)	0
Other liabilities	(15,424)	287
Net cash provided by operating activities	883	25,263
Cash flows from investing activities:
Capital expenditures	(7,572)	(3,185)
Proceeds from the disposal of fixed assets	98	0
Acquisitions	(13,195)	0
Net cash used in investing activities	(20,669)	(3,185)
Cash flows from financing activities:
Proceeds from asset-based credit facility	114,500	0
Repayments of asset-based credit facility	(281,032)	(15,000)
Principal payments on long-term debt	0	(613)
Principal repayment of capital lease obligations	(691)	0
Issuance of common stock	164,189	0
Capital contributions	2,997	0
Net cash used in financing activities	(37)	(15,613)
Effect of exchange rate changes on cash	64	0
Net (decrease) increase in cash	(19,759)	6,465
Cash and cash equivalents at beginning of period	28,552	10,662
Cash and cash equivalents at end of period	8,793	17,127
Supplemental disclosures of cash flow information:
Cash paid during the period for income taxes	39	302
Cash paid during the period for interest	25,308	7,068
Supplemental disclosures of non-cash investing and financing activities:
Change in fair value of derivatives, net of tax	461	0
Assets acquired under capital lease	378	0
Goodwill adjustment for purchase price allocation	723	0
Tax receivable agreement	$ 203,837	$ 0