CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net income (loss)	$ 35,740	$ (1,330)
Other comprehensive income (loss), net of tax:
Change in fair value of derivative instruments designated as cash flow hedges	9,509
Reclassification of realized loss on derivative instruments designated as cash flow hedges	157
Foreign currency translation adjustments	(522)	(137)
Comprehensive income (loss) before tax	44,884	(1,467)
Income tax expense related to items of other comprehensive income (loss)	(2,031)
Comprehensive income (loss) before preferred stock dividends, net of tax	42,853	(1,467)
Dividends on preferred stock	(2,207)	(2,207)
Comprehensive income (loss) available to CAI common stockholders	$ 40,646	$ (3,674)