Per Share Information (Reconciliation of the Numerators and Denominators of the Basic and Diluted Per Share Computations) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Per Share Information
Net income (loss) attributable to CCIC stockholders	$ 42,045	$ 51,278	$ 208,089	$ 122,166
Dividends on preferred stock	0	(7,541)	(2,629)	(17,944)
Net income (loss) attributable to CCIC stockholders after deduction of dividends on preferred stock for basic and diluted computations	$ 42,045	$ 43,737	$ 205,460	$ 104,222
Basic weighted-average number of common stock outstanding	290,762,000	282,031,000	288,775,000	284,770,000
Effect of assumed dilution from potential common shares relating to stock options and restricted stock awards	1,336,000	1,868,000	1,752,000	2,098,000
Diluted weighted-average number of common shares outstanding	292,098,000	283,899,000	290,527,000	286,868,000
Basic	$ 0.14	$ 0.16	$ 0.71	$ 0.37
Diluted	$ 0.14	$ 0.15	$ 0.71	$ 0.36