Summary of Significant Accounting Policies (Per Share Information) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net income (loss) attributable to CCIC stockholders	$ 48,911	$ 51,278	$ 30,871	$ 40,017	$ 40,873	$ (135,009)	$ (97,529)	$ (119,275)	$ 171,077	$ (310,940)	$ (114,332)
Dividends on preferred stock and losses on purchases of preferred stock									(22,940)	(20,806)	(20,806)
Net income (loss) attributable to CCIC stockholders after deduction of dividends on preferred stock and losses on purchases of preferred stock									$ 148,137	$ (331,746)	$ (135,138)
Weighted-average common shares outstanding:
Basic weighted-average number of common stock outstanding									283,821,000	286,764,000	286,622,000
Diluted weighted-average number of common shares outstanding									285,947,000	286,764,000	286,622,000
Net income (loss) attributable to CCIC common stockholders, after deduction of dividends on preferred stock, per common share:
Basic (in dollars per share)	$ 0.16	$ 0.16	$ 0.09	$ 0.12					$ 0.52	$ (1.16)	$ (0.47)
Diluted (in dollars per share)	$ 0.16	$ 0.15	$ 0.09	$ 0.12					$ 0.52	$ (1.16)	$ (0.47)
Redeemable Convertible Preferred Stock
Net income (loss) attributable to CCIC common stockholders, after deduction of dividends on preferred stock, per common share:
Antidilutive securities excluded from computation of earnings per share (in shares)									8,300,000	8,600,000	8,600,000
Preferred stock, dividend rate, percentage									6.25%
Restricted Stock Awards [Member]
Net income (loss) attributable to CCIC common stockholders, after deduction of dividends on preferred stock, per common share:
Antidilutive securities excluded from computation of earnings per share (in shares)									900,000
Stock Options and Restricted Stock Awards [Member]
Weighted-average common shares outstanding:
Effect of assumed dilution from potential common shares relating to stock options and restricted stock awards									2,126,000	0	0