Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2015

Selected Quarterly Financial Data [Abstract]

Schedule Of Key Interim Financial Information

	2015 Quarters Ended								2014 Quarters Ended
	Dec. 31		Sept. 30		June 30		Mar. 31		Dec. 31		Sept. 30		June 30		Mar. 31
Revenue	$	65,692	$	66,117	$	59,366	$	58,492	$	58,810	$	59,203	$	55,312	$	54,264
Operating expenses		68,292		42,861		36,232		34,842		31,595		31,954		30,815		29,671
Operating (loss) income		(2,600)		23,256		23,134		23,650		27,215		27,249		24,497		24,593
Net (loss) income attributable to
CAI common stockholders		(12,582)		12,989		12,889		13,542		16,162		16,395		13,446		14,271
Net (loss) income per share attributable
to CAI common stockholders:
Basic	$	(0.62)	$	0.62	$	0.61	$	0.65	$	0.78	$	0.78	$	0.61	$	0.64
Diluted	$	(0.62)	$	0.62	$	0.60	$	0.64	$	0.76	$	0.77	$	0.60	$	0.63