Consolidated Statement of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Consolidated Statements of Comprehensive Income [Abstract]    
Net income $ 77,345 $ 56,784
Other comprehensive income, net of tax    
Unrealized income on cash flow hedge 143 261
Comprehensive income 77,488 57,045
Less: Comprehensive income attributable to non-controlling interest 13,900 5,376
Comprehensive income attributable to the Company $ 63,588 $ 51,669