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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, 2019
Sep. 30, 2019
Performance Based Award [Member]    
Shares [Roll Forward]    
Nonvested shares, beginning of period (in shares) 149,914 177,695
Granted (in shares)   50,862
Released from restriction (in shares)   (61,347)
Forfeited (in shares)   (17,296)
Nonvested shares, end of period (in shares) 149,914 149,914
Time-Vested Awards [Member]    
Shares [Roll Forward]    
Nonvested shares, beginning of period (in shares) 311,268 321,870
Granted (in shares)   113,673
Released from restriction (in shares) (3,571) (122,939)
Forfeited (in shares) (3,608) (8,515)
Nonvested shares, end of period (in shares) 304,089 304,089