Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (7,396)	$ 2,962	$ (9,498)	$ 1,587
Change in fair value of cash flow hedge, net of tax of $273	(562)	0	(562)	0
Total comprehensive (loss) income available to Orion common stockholders	$ (7,958)	$ 2,962	$ (10,060)	$ 1,587