Income Taxes (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Income Tax Contingency [Line Items]
Unrecognized tax benefits, period increase (decrease)	$ 813	$ 813
Income tax rate reconciliation adjustment for uncertainty in income taxes		9,850
Unrecognized tax benefits, income tax penalties and interest expense	582	884
Unrecognized tax benefits, interest on income taxes accrued	2,726	2,726
Other noncurrent liabilities
Income Tax Contingency [Line Items]
Income tax rate reconciliation adjustment for uncertainty in income taxes		8,686
Unrecognized tax benefits, interest on income taxes accrued	$ 2,396	$ 2,396