CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 26,972	$ 60,385	$ 64,520
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(2,245)	(3,321)	561
Comprehensive income	24,727	57,064	65,081
Comprehensive income attributable to non-controlling interest	134	111	594
Comprehensive income attributable to CAI common stockholders	$ 24,593	$ 56,953	$ 64,487