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Stock Incentive Plans (Tables)
 6 Months Ended
Jun. 30, 2020
Share-based Payment Arrangement [Abstract]  
Summary of Restricted Stock Activity
The following table presents the restricted stock activity for the six months ended June 30, 2020 (in thousands, except per share amounts):
Number of 
Restricted Stock		Weighted-Average
Grant Date
Fair Value		Total Intrinsic
Value of Restricted
Stock Vested
Outstanding at December 31, 20191,180  $29.51  
Granted47  $28.44  
Forfeited(12) $22.62  
Vested(49) $29.64  $1,414  
Outstanding at June 30, 20201,166  $29.53