CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net (loss) income	$ (3,607)	$ 7,160
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	8,721	10,008
Amortization of intangible assets	7,147	9,146
Change in the fair value of acquisition related contingent consideration	0	8
Unrealized loss on investment in equity securities	7,501	0
Share-based compensation expense	2,201	695
Bad debt expense	724	1,903
Amortization of debt discount	89	105
Amortization of debt issuance costs	273	291
Deferred income taxes	(1,972)	0
Loss on disposal of fixed assets	489	1,480
Changes in operating assets and liabilities:
Accounts receivable	2,289	2,880
Prepaid expenses and other current assets	(9,213)	(4,749)
Other assets	481	(374)
Accounts payable and accrued expenses	(18,189)	(10,177)
Other current and non-current liabilities	(5,503)	(36,735)
Net cash used in operating activities	(8,569)	(18,359)
Cash flows from investing activities:
Additions to premises and equipment	(1,258)	(1,944)
Net cash used in investing activities	(1,258)	(1,944)
Cash flows from financing activities:
Repayment of long-term debt	(1,486)	(1,486)
Debt issuance costs	(496)	0
Proceeds from stock option exercises	2,617	752
Purchase of treasury shares	(9,994)	(10,590)
Distributions to non-controlling interests	(672)	(569)
Net cash used in financing activities	(10,031)	(11,893)
Net decrease in cash, cash equivalents and restricted cash	(19,858)	(32,196)
Cash, cash equivalents and restricted cash at the beginning of the period	108,843	153,421
Cash, cash equivalents and restricted cash at the end of the period	88,985	121,225
Supplemental cash flow information:
Interest paid	5,269	5,456
Income taxes paid, net	946	6,515
Non-cash investing and financing activities:
Increase in payables for purchases of premises and equipment	$ 264	$ 2,094