Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (833)	$ (8,832)
Other comprehensive income (loss)
Unrealized loss on securities, net of tax of $5,194 for the three months ended March 31, 2015	0	(8,596)
Unrealized gain (loss) on change in fair value of interest rate swap, net of tax of $10 and $140 for the three months ended March 31, 2016 and 2015, respectively	17	(231)
Foreign currency translation adjustment	12	129
Total other comprehensive income (loss)	29	(8,698)
Comprehensive loss	$ (804)	$ (17,530)