Stockholders's Equity (Dividends) (Narratives) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dividends Payable [Line Items]      
Cash dividends paid $ 31,369,000 $ 3,552,000 $ 766,000
Special Cash Dividend [Member]
     
Dividends Payable [Line Items]      
Cash dividend declared on common stock, date declared Sep. 04, 2013    
Date that dividend was paid Sep. 26, 2013    
Cash dividend declared on common stock, date of record Sep. 16, 2013