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, 2017	Mar. 31, 2016
Per Share Information
Net income (Loss) from Continuing Operations Attributable to Parent	$ 119,138	$ 47,840
Dividends on preferred stock	0	10,997
Net income (loss) attributable to CCIC common stockholders for basic and diluted computations	$ 119,138	$ 36,843
Basic weighted-average number of common stock outstanding	360,832,000	334,155,000
Effect of assumed dilution from potential common shares relating to restricted stock units and restricted stock awards	895,000	774,000
Diluted weighted-average number of common shares outstanding	361,727,000	334,929,000
Basic	$ 0.33	$ 0.11
Diluted	$ 0.33	$ 0.11
Continuing Operations [Member]
Per Share Information
Net income (loss) attributable to CCIC common stockholders for basic and diluted computations	$ 119,138	$ 36,843