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Share Based Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Number of Shares Outstanding Beginning Balance 1,636,176 1,370,101 1,159,183
Weighted Average Exercise Price Outstanding Beginning Balance $ 24.82 $ 15.97 $ 30.54
Weighted Average Remaining Contractual Life Outstanding 6 years 3 months 18 days 5 years 6 months  
Number of Share Granted 1,414,000 469,650 469,000
Weighted Average Exercise Price Granted $ 15.51 $ 0.00 $ 18.78
Weighted Average Remaining Contractual Life Granted 7 years 7 months 6 days    
Number of Shares Exercised (800)   (111,272)
Weighted Average Exercise Price Exercised $ 15.99   $ 19.78
Weighted Average Remaining Contractual Life Exercised 6 years 2 months 12 days    
Aggregate Intrinsic Value, Exercised $ 1   $ 264
Number of Shares Forfeited/Canceled (572,090) (203,575) (146,810)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price $ 22.81    
Weighted Average Exercise Price Forfeited/Canceled $ 24.65 $ 30.28
Weighted Average Remaining Contractual Life Forfeited/Canceled 4 years 7 months 6 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period (30,000)    
Number of Shares Outstanding Ending Balance 2,447,286 1,636,176 1,370,101
Weighted Average Exercise Price Outstanding Ending Balance $ 19.55 $ 24.82 $ 15.97
Aggregate Intrinsic Value Outstanding Ending Balance $ 574    
Number of Shares Vested and expected to vest 2,223,978    
Weighted Average Exercise Price Vested and expected to vest $ 19.83    
Weighted Average Remaining Contractual Life Vested and expected to vest 6 years 2 months 12 days    
Aggregate Intrinsic Value Vested and expected to vest $ 505    
Number of Shares Exercisable 587,536    
Weighted Average Exercise Price Exercisable $ 28.21    
Weighted Average Remaining Contractual Life Exercisable 3 years 10 months 24 days    
Aggregate Intrinsic Value Exercisable $ 0