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Stockholders' Equity (Common and Preferred Stock) (Details)
 1 Months Ended 9 Months Ended
Oct. 31, 2006
$ / shares
shares
Sep. 30, 2015
Vote
$ / shares
shares
Dec. 31, 2014
$ / shares
shares
Private Placement [Member]      
Common Stock [Abstract]      
Sale of Stock, Number of Shares Issued in Transaction 20,000,000    
Sale of Stock, Price Per Share | $ / shares $ 10    
Preferred Stock [Member]      
Preferred Stock [Abstract]      
Preferred shares authorized (in shares)   8,990,000  
Common Class A [Member]      
Common Stock [Abstract]      
Common stock, shares authorized (in shares)   100,000,000 100,000,000
Par value (in dollars per share) | $ / shares   $ 0.01 $ 0.01
Number of votes holder is entitled to | Vote   1  
Maximum individual common stock ownership (in hundredths)   9.80%  
Common Class B [Member]      
Common Stock [Abstract]      
Common stock, shares authorized (in shares)   1,000  
Par value (in dollars per share) | $ / shares   $ 0.01  
Number of votes holder is entitled to | Vote   1  
Maximum individual common stock ownership (in hundredths)   9.80%