CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 27,733	$ 31,011	$ 78,596
Other comprehensive income (loss), before tax:
Change in fair value of derivative instruments designated as cash flow hedges	(374)
Reclassification of realized loss on derivative instruments designated as cash flow hedges	294
Foreign currency translation adjustments	949	(117)	(391)
Comprehensive income before tax	28,602	30,894	78,205
Income tax benefit related to items of other comprehensive income	18
Comprehensive income before preferred stock dividends, net of tax	28,620	30,894	78,205
Dividends on preferred stock	(8,829)	(8,829)	(5,124)
Comprehensive income available to CAI common stockholders	$ 19,791	$ 22,065	$ 73,081