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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parentheticals) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Statements of Comprehensive Income        
Tax effect of unrealized holding gain (loss) from available for sale securities $ (673) $ 496 $ (134) $ 174