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Equity Compensation Plans and Share-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of Nonvested Stock Options Activity
The following table summarizes the restricted stock unit award activity for the years ended December 31, 2022, 2021 and 2020 (shares in thousands):

202220212020
Weighted-Weighted-Weighted-
AverageAverageAverage
UnderlyingFair ValueUnderlyingFair ValueUnderlyingFair Value
Sharesof GrantSharesof GrantSharesof Grant
Outstanding at beginning of year383 $71.93 373 $77.40 357 $69.13 
Performance-based grants (1)
120 69.78 105 58.68 238 78.40 
Time-based grants60 69.72 48 58.68 21 84.93 
Performance-based vested  (91)72.70 (117)48.25 
Time-based vested(19)70.33 (19)67.86 (12)76.84 
Performance-based canceled (2)
(109)86.86 (18)72.56 (114)84.93 
Time-based canceled  (15)72.49 — — 
Outstanding at end of year435 $67.38 383 $71.93 373 $77.40 

(1)Represents the maximum possible award. The Company’s level of achievement of the respective performance goals will result in actual vesting of between zero shares and the maximum share award. Performance-based grants for 2020 include 114 shares which were subsequently cancelled in 2020 as described in footnote (2) below.

(2)Performance-based canceled for 2020 represents cancellation of performance-based awards granted in January of 2020 that were subsequently replaced with a new performance-based award granted in December 2020. The grant date fair value of the December 2020 replacement performance-based awards was $72.37 per share.
Schedule of Stock Options Activity
The following table summarizes stock option activity for the years ended December 31, 2022, 2021 and 2020 (shares in thousands):

202220212020
Weighted-Weighted-Weighted-
AverageAverageAverage
UnderlyingExerciseUnderlyingExerciseUnderlyingExercise
SharesPriceSharesPriceSharesPrice
Outstanding at beginning of year $ 10 $38.00 70 $38.86 
Exercised  (10)38.00 (60)39.00 
Outstanding at end of year  — — 10 38.00 
Exercisable at end of year  — — — — 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
The Company’s net income includes the following compensation costs related to share-based compensation arrangements (in thousands):

Year Ended December 31,
202220212020
Gross compensation costs:
Restricted stock unit awards$10,853 $5,150 $2,899 
Stock options — 15 
Total gross compensation costs10,853 5,150 2,914 
Income tax benefits:
Restricted stock unit awards(1,428)(205)(901)
Exercise of stock options — (94)
Total income tax benefits(1,428)(205)(995)
Net compensation expense$9,425 $4,945 $1,919