Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net income (loss)	$ (37,086)	$ 3,017	$ 12,948
Other comprehensive income (loss):	(8,192)	(5,593)	(2,220)
Reclassification of foreign currency translation adjustment	362	0	0
Other comprehensive income (loss):
Total comprehensive income (loss)	(44,916)	(2,576)	10,728
Less: Comprehensive income (loss) attributable to the noncontrolling interest	15	(163)	57
Total comprehensive income (loss) attributable to CDI	$ (44,931)	$ (2,413)	$ 10,671