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Mezzanine Equity - Schedule of Carrying Value of Preferred Shares (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Series A Preferred Stock [Member]
Dec. 31, 2013
Series A Preferred Stock [Member]
Preferred Stock [Roll Forward]                          
Preferred Stock       $ 153,372         $ 153,372     $ 162,000 $ 153,372
Discount for beneficial conversion feature (416) (4,401) (1,086) (1,086) (60) 0 0 0       (8,688)  
Conversion of 100,000 Preferred Shares                 (100,000) 0 0   (100,000)
Accretion of BCF discount (Deemed dividend)                       60 6,989
Preferred Stock $ 60,361       $ 153,372       $ 60,361 $ 153,372   $ 153,372 $ 60,361