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Stockholders Equity (Narratives) (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Mar. 31, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Weighted average stock anti dilutive effect excluded from calculation of earnings per share 364,604   243,721 304,491 578,393
Stock Repurchase Program, Authorized Amount   $ 70,000,000      
Treasury Stock, Value, Acquired, Cost Method       10,393,000 0
Stock Repurchase Program Remaining Authorized Repurchase Amount 23,100,000        
Stock repurchase program remaining number of shares authorized to be repurchased 1,252,136     1,252,136  
SharePrice $ 18.41     $ 18.41  
Preferred Stock [Member]
         
Issuance Costs Stock 10,100,000     10,100,000  
Common Stock [Member]
         
Issuance Costs Stock $ 13,600,000     $ 13,600,000