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Stockholders' Equity Transactions (Details) - $ / shares
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Mar. 31, 2020
Jun. 30, 2019
Dec. 21, 2018
Sep. 16, 2014
Equity, Class of Treasury Stock [Line Items]                
Stock Repurchase Program, Number of Shares Authorized to be Repurchased             500,000 1,000,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 297,422       297,422      
Common Stock Shares Outstanding 18,353,079       18,353,079 18,477,784   19,400,000
Treasury Stock Acquired, Average Cost Per Share         $ 17.12      
Treasury Stock                
Equity, Class of Treasury Stock [Line Items]                
Treasury Stock, Shares, Acquired 137,303 (87,672) (147,230) (39,163) 137,303