CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net cash (used in) provided by operating activities:
Net cash used in by operating activities	$ (2,749)	$ 12,138
Cash flows from investing activities:
Purchases of property and equipment	(5,040)	(5,931)
Proceeds from disposals of property and equipment	2,651	0
Other	156	141
Net cash used in investing activities	(2,233)	(5,790)
Cash flows from financing activities:
Repayments on revolving lines of credit	(47,082)	(45,132)
Borrowings on revolving lines of credit	53,499	50,132
Principal payments on term loans	(5,381)	(5,381)
Contingent consideration paid	0	(3,750)
Treasury stock purchases	(641)	(3,141)
Dividends paid	(997)	(998)
Net cash used in financing activities	(602)	(8,270)
Net decrease in cash and cash equivalents	(5,584)	(1,922)
Cash and cash equivalents at end of the period	$ 1,041	$ 3,552