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Share Based Compensation Share Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Payment Arrangement, Expense $ 126,000   $ 162,000
Share-based Payment Arrangement, Expense, Tax Benefit $ 30,000   $ 39,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross   10,995 1,846
Years for Unrecognized Compensation Expense Expected to be Recognized on Nonvested Awards 1 year 11 months 8 days    
Unrecognized Compensation Expense Nonvested Awards $ 1,140,000    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   4 years 2 years
Minimum [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Maximum [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years