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Stock Compensation - Summary of Changes in Time-based Nonvested Restricted Stock Awards (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Shares    
Nonvested at beginning of period, Shares (in shares) 64,158 75,889
Forfeited, shares (in shares) (2,699) (2,699)
Granted, shares (in shares)   25,940
Vested, Shares (in shares) (639) (38,310)
Nonvested at end of period, Shares (in shares) 60,820 60,820
Per Share Weighted Average Grant Date Fair Value    
Nonvested at beginning of period, Weighted-average Grant Date Fair Value (in dollars per share) $ 24.87 $ 23.20
Forfeited, Weighted-average Grant Date Fair Value (in dollars per share) 24.85 24.85
Granted, Weighted-average Grant Date Fair Value (in dollars per share)   25.27
Vested, Weighted-average Grant Date Fair Value (in dollars per share) 23.53 21.79
Nonvested at end of period, Weighted-average Grant Date Fair Value (in dollars per share) $ 24.88 $ 24.88