CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 12,930	$ 13,494	$ 26,501	$ 27,725
Other comprehensive income, net of tax:
Foreign currency translation adjustments	458	(76)	(1,961)	(11)
Comprehensive income	13,388	13,418	24,540	27,714
Comprehensive income attributable to non-controlling interest	(41)	(48)	(70)	(8)
Comprehensive income attributable to CAI common stockholders	$ 13,347	$ 13,370	$ 24,470	$ 27,706