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Stock-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2019
Share-based Compensation [Abstract]  
Schedule of Nonvested Share Activity
The following table summarizes the restricted stock award, deferred stock units, and performance unit award activity for the years ended December 31, 2019 and 2018:
Restricted
Stock		Deferred
Stock
Units		Performance
Stock
Units		Weighted Average
Aggregate Grant Date
Fair Value
Outstanding as of January 1, 2018186,806  26,860  181,341  $16.53  
Granted62,320  14,914  65,421  27.05  
Vested(36,876) —  —  28.07  
Adjustment for incentive awards—  —  65,491  26.93  
Canceled and forfeited(20,425) —  (11,880) 16.38  
Outstanding as of December 31, 2018191,825  41,774  300,373  $18.61  
Granted62,125  12,304  89,092  18.63  
Vested(90,282) —  —  19.61  
Adjustment for incentive awards—  —  (52,180) 24.30  
Canceled and forfeited(12,869) —  (6,137) 20.79  
Outstanding as of December 31, 2019150,799  54,078  331,148  $18.50