Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Reconciliation Of Basic And Diluted Net Income Per Share

	Year Ended December 31,
	2015		2014		2013
Numerator
Net income attributable to CAI common stockholders used in the calculation
of basic and diluted earnings per share	$	26,838	$	60,274	$	63,926
Denominator
Weighted-average shares used in the calculation of basic earnings per share		20,773		20,732		22,157
Effect of dilutive securities:
Stock options and restricted stock		215		423		515
Weighted-average shares used in the calculation of diluted earnings per share		20,988		21,155		22,672
Net income per share attributable to CAI common stockholders:
Basic	$	1.29	$	2.91	$	2.89
Diluted	$	1.28	$	2.85	$	2.82