Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Consolidated net (loss) income	$ (17,095)	$ 2,680	$ 2,091	$ 5,730
Other comprehensive loss, before income tax:
Unrealized foreign currency translation loss	(20)	(32)	(27)	(18)
Other comprehensive loss, before income taxes	(20)	(32)	(27)	(18)
Income tax (benefit) expense related to items of other comprehensive loss	0	0	0	0
Other comprehensive loss, net of tax	(20)	(32)	(27)	(18)
Comprehensive (loss) income	(17,115)	2,648	2,064	5,712
Less: Net income attributable to noncontrolling interest in subsidiary	142	107	306	223
Comprehensive (loss) income attributable to common shareholders	$ (17,257)	$ 2,541	$ 1,758	$ 5,489