General - Narrative (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2017 USD ($) segment	Mar. 31, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments | segment	5
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred tax assets	$ 52,470	$ 44,708
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		1,365
Accounting Standards Update 2016-09, Excess Tax Benefit Component
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred tax assets		1,365
Accounting Standards Update 2016-09, Excess Tax Benefit Component | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		$ 1,365