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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of Nonvested Share Activity
The following table summarizes the restricted stock awards, deferred stock units, and performance share units activity for the six months ended June 30, 2020:
Restricted
Stock
Deferred
Stock Units
Performance
Share Units
Weighted Average
Grant Date Fair Value
Outstanding as of December 31, 2019150,799  54,078  331,148  $18.50  
Granted96,676  12,058  105,857  16.80  
Vested(72,010) —  (163,224) 15.59  
Adjustment for incentive awards not expected to vest—  —  (4,827) 30.65  
Cancelled and forfeited(10,394) —  (27,394) 20.07  
Outstanding as of June 30, 2020165,071  66,136  241,560  $19.42