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Share-based Compensation (Details 4) - Performance Shares [Member] - $ / shares
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period   0  
Performance shares awarded by the Company      
Granted, Weighted Average Grant Date Fair value $ 0.00   $ 9.60
Number of shares Outstanding at End of Period 0 0 7,812