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Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Taxes [Abstract]        
Income tax expense $ 6,097,000 $ 1,980,000 $ 5,075,000 $ 250,000
Effective income tax rate 28.60% 24.20% 29.40% 86.80%