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Dividends Payable (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
0 Months Ended
Jun. 03, 2013
Jun. 28, 2013
Dec. 31, 2012
Equity [Abstract]      
Cash dividends per common share $ 0.15    
Dividends Payable, Date Declared Jun. 03, 2013    
Dividends Payable, Date of Record Aug. 12, 2013    
Dividends Payable, Date to be Paid Sep. 03, 2013    
Dividends Payable   $ 47,937 $ 0