CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 7,160	$ 18,892
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	10,008	9,208
Amortization of intangible assets	9,146	12,211
Change in the fair value of acquisition related contingent consideration	8	96
Share-based compensation expense	695	1,877
Bad debt expense	1,903	876
Amortization of debt discount	105	116
Amortization of debt issuance costs	291	322
Loss (gain) on disposal of fixed assets	1,480	(10)
Changes in operating assets and liabilities:
Accounts receivable	2,880	6,502
Prepaid expenses and other current assets	(4,749)	(4,970)
Other assets	(374)	(109)
Accounts payable and accrued expenses	(10,177)	(12,133)
Other current and non-current liabilities	(36,735)	(3,844)
Net cash (used in) provided by operating activities	(18,359)	29,034
Cash flows from investing activities:
Additions to premises and equipment	(1,944)	(5,984)
Purchase of available for sale securities	0	(29,429)
Other investing activities	0	16
Net cash used in investing activities	(1,944)	(35,397)
Cash flows from financing activities:
Repayment of long-term debt	(1,486)	(1,486)
Proceeds from stock option exercises	752	366
Purchase of treasury stock	(10,590)	(11,691)
Distributions to non-controlling interests	(569)	(448)
Net cash used in financing activities	(11,893)	(13,259)
Net decrease in cash and cash equivalents	(32,196)	(19,622)
Cash and cash equivalents at the beginning of the period	149,294	179,327
Cash and cash equivalents at the end of the period	117,098	159,705
Supplemental cash flow information:
Interest paid	5,456	6,104
Income taxes paid, net	6,515	3,830
Non-cash investing and financing activities:
Increase in payables for purchases of premises and equipment	$ 2,094	$ 1,030