Annual report pursuant to Section 13 and 15(d)

Employee Benefits - (Details)

v2.4.1.9
Employee Benefits - (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]      
Annual vesting percentage 100.00%us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage    
Employer matching contribution, percent 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent    
Maximum annual contribution per employee, percent 6.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent    
Employer discretionary contribution, amount $ 1,456us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 1,579us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 1,458us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Incentive compensation paid $ 7,491us-gaap_OtherLaborRelatedExpenses $ 1,272us-gaap_OtherLaborRelatedExpenses $ 4,268us-gaap_OtherLaborRelatedExpenses