Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net income (loss)	$ (31,573)	$ (37,086)	$ 3,017
Other comprehensive income (loss):	887	(8,192)	(5,593)
Reclassification of foreign currency translation adjustment, net of tax of $0	3,705	362	0
Other comprehensive income (loss):
Total comprehensive loss	(26,981)	(44,916)	(2,576)
Less: Comprehensive income (loss) attributable to the noncontrolling interest	0	15	(163)
Total comprehensive loss attributable to CDI	$ (26,981)	$ (44,931)	$ (2,413)