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Stock-Based Compensation (Schedule of Stock-Based Compensation, RS and RSU Award Activity) (Details) - Equity Plan 2016 [Member] - Restricted Stock [Member]
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Nonvested at beginning of period (in shares) | shares 24,505
Number of Shares, Granted (in shares) | shares 24,583
Number of Shares, Vested (in shares) | shares (18,040)
Number of Shares, Forfeited (in shares) | shares (1,423)
Number of Shares, Nonvested at end of period (in shares) | shares 29,625
Weighted Average Grant Date Fair Value, Nonvested at beginning of period (in dollars per share) | $ / shares $ 13.78
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares 13.34
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares 13.74
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares 13.34
Weighted Average Grant Date Fair Value, Nonvested at end of period (in dollars per share) | $ / shares $ 13.38