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Stock Incentive Plans (Tables)
 6 Months Ended
Jun. 30, 2021
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, 2021 (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, 20201,137 $33.63 
Granted55 $52.14 
Vested(42)$25.57 $2,313 
Outstanding at June 30, 20211,150 $34.79