Consolidated Statements of Comprehensive (Loss) Income Statement - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (8,060)	$ 6,877	$ 331
Change in fair value of cash flow hedge, net of tax of $90	(145)	0	0
Total comprehensive (loss) income available to Orion common stockholders	$ (8,205)	$ 6,877	$ 331