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Stock and Incentive Compensation - Summary of Stock Plan Activity (Details) - Stock and Incentive Compensation Plan [Member] - shares
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Performance Based Awards and Units [Member]    
Shares [Roll Forward]    
Nonvested shares, beginning of period (in shares) 146,508 149,914
Granted (in shares)   53,450
Released from restriction (in shares)   (36,357)
Forfeited (in shares) (1,640) (22,139)
Nonvested shares, end of period (in shares) 144,868 144,868
Time-Vested Awards and Units [Member]    
Shares [Roll Forward]    
Nonvested shares, beginning of period (in shares) 304,693 300,006
Granted (in shares) 1,500 123,060
Released from restriction (in shares) (2,031) (109,537)
Forfeited (in shares) (1,967) (11,334)
Nonvested shares, end of period (in shares) 302,195 302,195