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Share Capital (Details 4) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Non Vested Equity Value Appreciation Awards [Member]
      
Equity Value Appreciation Awards [Line Items]      
Number Outstanding, Beginning balance 1,917,000 2,052,000 0
Number Outstanding, Vested (1,917,000) 0 0
Number Outstanding, Granted 0 0 2,119,500
Number Outstanding, Expired and cancelled 0 (135,000) (67,500)
Number Outstanding, Ending balance 0 1,917,000 2,052,000
Equity Value Appreciation Awards Exercisable [Member]
      
Equity Value Appreciation Awards [Line Items]      
Number Outstanding, Ending balance 0 0 0
Weighted Average Grant Date Fair Value, Ending balance $ 0 $ 0 $ 0
Equity Value Appreciation Awards [Member]
      
Equity Value Appreciation Awards [Line Items]      
Number Outstanding, Beginning balance 1,917,000 2,052,000 0
Number Outstanding, Vested (1,917,000) 0 0
Number Outstanding, Granted 0 0 2,119,500
Number Outstanding, Expired and cancelled 0 (135,000) (67,500)
Number Outstanding, Ending balance 0 1,917,000 2,052,000
Weighted Average Grant Date Fair Value, Beginning balance $ 15.33 $ 15.33 $ 0
Weighted Average Price per Share, Vested $ 15.33 $ 0 $ 0
Weighted Average Price per Share, Granted $ 0 $ 0 $ 15.33
Weighted Average Price per Share, Expired and cancelled $ 0 $ 15.33 $ 15.33
Weighted Average Grant Date Fair Value, Ending balance $ 0 $ 15.33 $ 15.33