Per Share Information (Reconciliation of the Numerators and Denominators of the Basic and Diluted Per Share Computations) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Per Share Information
Net income (Loss) from Continuing Operations Attributable to Parent	$ 47,840	$ 111,734
Dividends on preferred stock	10,997	10,997
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	0	13,378	[1]
Less: Net income (loss) attributable to the noncontrolling interest	0	2,325
Net income (loss) attributable to CCIC common stockholders for basic and diluted computations	$ 36,843	$ 111,790
Basic weighted-average number of common stock outstanding	334,155,000	332,712,000
Effect of assumed dilution from potential common shares relating to restricted stock units and restricted stock awards	774,000	773,000
Diluted weighted-average number of common shares outstanding	334,929,000	333,485,000
Basic	$ 0.11	$ 0.34
Diluted	$ 0.11	$ 0.34
Continuing Operations [Member]
Per Share Information
Net income (loss) attributable to CCIC common stockholders for basic and diluted computations	$ 36,843	$ 100,737
Basic	$ 0.11	$ 0.30
Diluted	$ 0.11	$ 0.30
Discontinued Operations [Member]
Per Share Information
Net income (loss) attributable to CCIC common stockholders for basic and diluted computations	$ 0	$ 11,053
Basic	$ 0.00	$ 0.04
Diluted	$ 0.00	$ 0.04

[1] No interest expense has been allocated to discontinued operations.