XML 32 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Equity - Narrative (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2015
Jun. 11, 2015
Apr. 30, 2015
Dec. 31, 2014
Class of Stock [Line Items]            
Common Stock, Authorized 450,000,000us-gaap_CommonStockSharesAuthorized         450,000,000us-gaap_CommonStockSharesAuthorized
Common Stock, Par Value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare        
Common Stock, Issued 137,150,279us-gaap_CommonStockSharesIssued         136,624,157us-gaap_CommonStockSharesIssued
Common Stock, Outstanding 137,150,279us-gaap_CommonStockSharesOutstanding         136,624,157us-gaap_CommonStockSharesOutstanding
Preferred Stock, Shares Authorized 50,000,000us-gaap_PreferredStockSharesAuthorized          
Preferred Stock, Par or Stated Value Per Share $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare          
Preferred Stock, Shares Issued 0us-gaap_PreferredStockSharesIssued          
Preferred Stock, Shares Outstanding 0us-gaap_PreferredStockSharesOutstanding          
Stock Issued During Period, Shares, New Issues 222,388us-gaap_StockIssuedDuringPeriodSharesNewIssues          
Distribution to investee company $ 6.4us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets          
Dividends declared per common share (in dollars per share) $ 0.40us-gaap_CommonStockDividendsPerShareDeclared $ 0.00us-gaap_CommonStockDividendsPerShareDeclared        
Subsequent Event            
Class of Stock [Line Items]            
Dividends Payable, Date Declared         Apr. 30, 2015  
Dividends declared per common share (in dollars per share)         $ 0.34us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		  
Dividends Payable, Date to be Paid     Jun. 30, 2015      
Dividends Payable, Date of Record       Jun. 11, 2015    
Additional Paid-In Capital            
Class of Stock [Line Items]            
Distribution to investee company $ 6.4us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember