Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation Expense and Related Tax Benefit

Total stock-based compensation expense and the related tax benefit were as follows:

	Three Months Ended March 31,
In thousands	2023		2022
Stock options	$	60	$	284
Restricted stock units	6,583		5,584
Unrestricted stock awards	276		259
Phantom stock units	777		190
Total stock-based compensation	$	7,696	$	6,317
Related tax benefit	$	1,703	$	1,369

Employee Stock Options Activity

A summary of our stock option activity is as follows:

	Shares	Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value		Weighted Average Grant Date Fair Value
	In thousands			Years	In thousands
Outstanding, January 1, 2022	393	$	61.18	5.9	$	4,737
Granted	—	—					$	—
Exercised	—	—			—
Forfeited	(2)	87.27
Outstanding, March 31, 2022	391	$	61.03	5.5	$	2,173
Outstanding, January 1, 2023	381	$	60.63	4.8	$	1,892
Granted	—	—					$	—
Exercised	—	—			—
Forfeited	—	—
Canceled	—	—
Outstanding, March 31, 2023	381	$	60.63	4.6	$	2,549
Exercisable, March 31, 2023	378	$	60.60	4.6	$	2,549

Restricted Stock Units Award Activity

The following table summarizes restricted stock unit activity:

In thousands, except fair value	Number of Restricted Stock Units	Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Outstanding, January 1, 2022	430
Granted	332	$	53.95
Released (1)	(149)			$	8,025
Forfeited	(25)
Outstanding, March 31, 2022	588
Outstanding, January 1, 2023	528	$	66.39
Granted	411	55.59
Released (1)	(202)	73.74		$	14,897
Forfeited	(12)	66.19
Outstanding, March 31, 2023	725	58.43
Vested but not released, March 31, 2023	13			$	719

(1)    Shares released is presented as gross shares and does not reflect shares withheld by us for employee payroll tax obligations.

Restricted Stock Units, Valuation Assumptions

The weighted average assumptions used to estimate the fair value of performance-based restricted stock units granted with a service and market condition and the resulting weighted average fair value are as follows:

	Three Months Ended March 31,
	2023			2022
Expected volatility	50.0		%	55.7		%
Risk-free interest rate	4.6		%	1.7		%
Expected term (years)	2.2			2.9
Weighted average fair value	$	59.22		$	57.88