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Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Taxes [Abstract]        
Income tax expense (benefit) $ 1,980,000 $ 1,181,000 $ 250,000 $ (266,000)
Effective income tax rate 24.20% 25.20% 86.80% 11.80%