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Stock Based Compensation , Information Related to Stock Options Exercised (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Share-based Payment Arrangement [Abstract]    
Intrinsic value of options exercised $ 46 $ 0
Cash received from options exercised 115 0
Tax benefit realized from options exercised $ 5 $ 0