Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 2,249	$ (2,293)	$ 6,350	$ (4,101)
Change in fair value of cash flow hedge, net of tax expense of $31 and $124 for the three and six months ended June 30, 2018, respectively and net of tax benefit of $59 and $99 for the three and six months ended June 30, 2017, respectively	77	(86)	346	110
Total comprehensive income (loss)	$ 2,326	$ (2,379)	$ 6,696	$ (3,991)