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Earnings Per Share, Anti Dilution Table (Details) - $ / shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Class of Warrant or Right, Exercise Price of Warrants or Rights (dollars per share)   $ 60.44   $ 60.44
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2 0 65 1,059
Options to purchase common shares        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 0 0 17
Non-vested common shares, restricted stock units and performance shares        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2 0 65 243
Warrants        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 0 0 799
Warrant [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (shares)   3,700   3,700