CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net (loss) income	$ (1,330)	$ 18,574
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(137)	(81)
Comprehensive (loss) income before preferred stock dividends	(1,467)	18,493
Dividends on preferred stock	(2,207)	(2,207)
Comprehensive (loss) income available to CAI common stockholders	$ (3,674)	$ 16,286