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Share-based Compensation (Details Textual)
3 Months Ended 9 Months Ended
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2015
USD ($)
shares
Stock Based Compensation (Textual) [Abstract]    
Maximum number of shares subject to stock options and restricted shares 1,000,000  
Stock Options [Member]    
Stock Based Compensation (Textual) [Abstract]    
Stock option granted   0
Restricted Stock [Member]    
Stock Based Compensation (Textual) [Abstract]    
Unrecognized stock based compensation expense related to non-vested restricted stock | $ $ 3,400,000 $ 3,400,000
Weighted-average vesting period 1 year 7 months 2 days  
Stock Settled Stock Appreciation Rights (SSARS) [Member]    
Stock Based Compensation (Textual) [Abstract]    
Shares withheld to cover the employee's minimum applicable income taxes 892  
Unrecognized stock based compensation expense related to non-vested SSARs | $ $ 2,200,000 2,200,000
Weighted-average vesting period 2 years 15 days  
Total treasury shares to settle SSARs 2,499  
Performance Shares [Member]    
Stock Based Compensation (Textual) [Abstract]    
Unrecognized stock based compensation expense related to non-vested restricted stock | $ $ 100,000.0 $ 100,000.0
Weighted-average vesting period   7 months 10 days
2011 Stock Incentive Plan [Member]    
Stock Based Compensation (Textual) [Abstract]    
Shares authorized under 2011 Stock incentive plan 3,000,000 3,000,000
2011 Stock Incentive Plan [Member] | Stock Options [Member]    
Stock Based Compensation (Textual) [Abstract]    
Maximum number of shares subject to stock options and restricted shares 800,000  
2011 Stock Incentive Plan [Member] | Restricted Shares and Restricted Share Units [Member]    
Stock Based Compensation (Textual) [Abstract]    
Maximum number of shares subject to stock options and restricted shares 400,000