CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 3,760	$ 12,930	$ 10,960	$ 26,501
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(12)	458	910	(1,961)
Comprehensive income	3,748	13,388	11,870	24,540
Comprehensive income attributable to non-controlling interest	3	41	37	70
Comprehensive income attributable to CAI common stockholders	$ 3,745	$ 13,347	$ 11,833	$ 24,470