CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME [Abstract]
Net (loss) income	$ (4,747)	$ 21,754	$ 23,162	$ 59,189
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(256)	(19)	(332)	(257)
Comprehensive (loss) income before preferred stock dividends	(5,003)	21,735	22,830	58,932
Dividends on preferred stock	(2,207)	(1,748)	(6,621)	(2,917)
Comprehensive (loss) income available to CAI common stockholders	$ (7,210)	$ 19,987	$ 16,209	$ 56,015