Equity Method Investments - Equity Method Investment Income (Loss) Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Schedule of Equity Method Investments [Line Items]
Income (Loss) from Equity Method Investments	$ 472	$ 64	$ 222	$ (5)

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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