v2.4.0.8
Carrying Amounts and Fair Values of Financial Instruments for Which the Fair Value Option Was Not Elected (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2012
Dec. 31, 2011
Fair Value, Option, Disclosures Related to Election, Items Existing at Effective Date [Line Items]        
Restricted Cash and Cash Equivalents, Current $ 0 $ 48,294    
Cash and Cash Equivalents 71,938 21,878 200,207 375,736
Notes and Loans Payable, Current (173,000) (25,073)    
Secured Debt, Current (40,719) (37,846)    
Long-term debt (3,128,585) (3,129,017)    
Restricted Cash and Cash Equivalents, Noncurrent 0 20,379    
Carrying Amount
       
Fair Value, Option, Disclosures Related to Election, Items Existing at Effective Date [Line Items]        
Restricted Cash and Cash Equivalents, Current 48,294      
Cash and Cash Equivalents 71,938 21,878    
Restricted cash 0 68,673    
Long-term debt (3,128,585) (3,129,017)    
Restricted Cash and Cash Equivalents, Noncurrent 20,379      
Fair Value
       
Fair Value, Option, Disclosures Related to Election, Items Existing at Effective Date [Line Items]        
Cash and Cash Equivalents 71,938 21,878    
Restricted cash 0 68,673    
Long-term debt $ (3,270,812) $ (3,378,058)