Subsequent Events - Additional Information (Detail) (Subsequent Event, USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended
	Feb. 20, 2015	Feb. 28, 2015
Subsequent Event [Line Items]
Dividend declared per common share	$ 0.54
Dividend declared payment date	Apr. 15, 2015
Dividend declared record date	Apr. 02, 2015
Restricted Stock Units (RSUs) | CCA's employees and non-employee directors
Subsequent Event [Line Items]
Number of shares issued		400,000
Aggregate value of shares issued		$ 16.9
Restricted Stock Units (RSUs) | Officers And Executive Officers
Subsequent Event [Line Items]
Number of shares issued		300,000
Vesting period		3 years
Restricted Stock Units (RSUs) | Other Employees
Subsequent Event [Line Items]
Number of shares issued		100,000