Quarterly report pursuant to Section 13 or 15(d)

Equity Investments (Equity Investments Balance Sheet Disclosure) (Details)

v2.4.0.8
Equity Investments (Equity Investments Balance Sheet Disclosure) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Equity Method Investments and Joint Ventures [Abstract]    
Current assets $ 168,313 $ 146,075
Noncurrent assets 3,004,333 2,567,225
Current liabilities 291,642 233,726
Noncurrent liabilities $ 824,263 $ 664,848