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Equity-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2023
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Summary of Compensation Expense Connection with Awards along with the related tax benefits recognized during the years ended December 31 (in thousands) were as follows:
202320222021
Total stock compensation expense$9,750 $8,334 $8,652 
Tax benefits recognized related to stock compensation expense$2,516 $2,175 $2,189 
Schedule of Number of Awards and Weighted Average Grant Date Fair Value
The following table provides the number of stock units and common stock granted during the years ended December 31, along with the weighted-average grant-date fair value of each award:
 202320222021
AwardsNumber
of Awards		Weighted
Average
Grant Date
Fair Value		Number
of Awards		Weighted
Average
Grant Date
Fair Value		Number
of Awards		Weighted
Average
Grant Date
Fair Value
Deferred stock units6,351 $54.33 2,460 $42.69 7,536 $83.58 
Common stock8,468 $54.33 15,652 $42.49 2,512 $83.58 
Restricted stock units99,820 $61.93 132,430 $43.92 72,243 $79.28 
Performance stock units (1)85,323 $53.22 108,464 $47.00 62,778 $87.84 
(1) The Company’s performance stock units (“PSUs”) represent shares granted for which the final number of shares earned depends on financial performance. The number of shares to be issued may vary between 0% and 200% of the number of PSUs granted depending on the relative achievement to targeted thresholds. The Company's PSUs with a financial performance condition are based on the Company’s return on invested capital (“ROIC”) over a one-year period performance period.
Summary of Ranges of Outstanding and Exercisable Options The following table summarizes the Company's outstanding and exercisable options at December 31, 2023:
Exercise PriceOptions
Outstanding		Weighted
Average
Remaining
Contractual Life
(in years)		Weighted
Average
Exercise
Price		Options
Exercisable		Weighted
Average
Exercise
Price
$39.55
5,000 3.26$39.55 5,000 $39.55 
Summary of Stock Options Transactions
The following table summarizes information about stock option transactions:
OptionsWeighted
Average
Exercise
Price		Weighted
Average
Remaining Contractual
Life (in years)		Aggregate
Intrinsic Value
Balance at January 1, 202141,500 $29.38 
Exercised(36,500)$27.99 
Balance at December 31, 20215,000 $39.55 
Exercised— $— 
Balance at December 31, 20225,000 $39.55 
Exercised— $— 
Balance at December 31, 20235,000 $39.55 3.26$197,150 
Summary of Information About Restricted Stock Units and Weighted Average Grant Date Fair Value
The following table summarizes information about non-vested restricted stock units and performance stock units (that will convert to shares upon vesting) and common stock:
Restricted
Stock
Units		Weighted
Average
Grant Date
Fair Value		Common
Stock		Weighted
Average
Grant Date
Fair Value		Performance
Stock Units		Weighted
Average
Grant Date
Fair Value		Deferred
Stock
Units (2)		Weighted
Average
Grant Date
Fair Value
Balance at December 31, 2022235,370 $49.87 — $— 211,368 $50.96 40,350 $45.16 
Granted99,820 $61.93 8,468 $54.33 85,323 $53.22 6,351 $54.33 
Adjustments (1)— $— — $— (70,610)$50.72 — $— 
Vested(77,312)$53.37 (8,468)$54.33 (71,106)$51.74 (2,222)$36.47 
Forfeited(24,908)$50.99 — $— (18,729)$49.69 — $— 
Balance at December 31, 2023232,970 $53.75 — $— 136,246 $52.27 44,479 $46.90 
(1) (i) 40,610 units of the Company's PSUs granted in 2022 were adjusted in the first quarter of 2023 to reflect 60.5% of the target amount granted based on the Company's actual ROIC compared to ROIC target for the performance period ended December 31, 2022; and (ii) 30,000 units of the Company's TSR PSUs granted in 2020 for which the performance condition was not achieved and the PSUs were adjusted in the first quarter of
2023 to reflect zero earned as the threshold level of achievement was not met based on performance criteria as defined in the respective awards over a three-year performance period which ended March 1, 2023.
(2) Vested and issuable upon termination from service as a member of the Company's Board of Directors.
Aggregate Intrinsic Value of Options Exercised and Aggregate Fair Value of Restricted Stock Units and Restricted Shares that Vested
The following table sets forth the aggregate intrinsic value of options exercised and aggregate fair value of restricted stock units and restricted shares that vested during the years ended December 31 (in thousands):
202320222021
Aggregate intrinsic value of options exercised$— $— $2,103 
Aggregate fair value of vested restricted stock units$4,740 $3,920 $6,320 
Aggregate fair value of vested common stock$460 $665 $370 
Aggregate fair value of vested performance stock units$3,999 $6,729 $9,080 
Aggregate fair value of vested deferred stock units$345 $105 $630 
Cash Paid to Settle Liability Awards
The following table provides the number of restricted stock units credited to active participant accounts, balance of vested and unvested restricted stock units within active participant accounts, payments made with respect to MSPP liabilities and MSPP expense during years ended December 31:
202320222021
Restricted stock units credited48,921 12,365 30,475 
Restricted stock units balance, vested and unvested199,946 158,644 223,892 
Share-based liabilities paid (in thousands)$2,392 $3,689 $4,915 
MSPP expense (recovery) (in thousands)$4,710 $(4,459)$6,034