Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investments - Equity Method Investment Income (Loss) Reconciliation (Details)

v3.10.0.1
Equity Method Investments - Equity Method Investment Income (Loss) Reconciliation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Schedule of Equity Method Investments [Line Items]        
Income (Loss) from Equity Method Investments $ 64 $ 224 $ (5) $ 75,641