CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net income (loss)	$ 15,443	$ (5,779)	$ 13,487	$ 18,289
Other comprehensive income (loss), before tax:
Change in fair value of derivative instruments designated as cash flow hedges	(1,931)		(1,931)
Reclassification of realized loss on derivative instruments designated as cash flow hedges	111		111
Foreign currency translation adjustments	514	(256)	478	(332)
Comprehensive income (loss) before tax	14,137	(6,035)	12,145	17,957
Income tax benefit related to items of other comprehensive income (loss)	412		412
Comprehensive income (loss) before preferred stock dividends	14,549	(6,035)	12,557	17,957
Dividends on preferred stock	(2,207)	(2,207)	(6,621)	(6,621)
Comprehensive income (loss) available to CAI common stockholders	$ 12,342	$ (8,242)	$ 5,936	$ 11,336