Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Restricted Stock Units Activity

RSU activity is presented below (number of RSUs in thousands):

	Years ended December 31,
	2021			2020			2019
	Number of RSUs	Weighted Average Grant-date Fair Value		Number of RSUs	Weighted Average Grant-date Fair Value		Number of RSUs	Weighted Average Grant-date Fair Value
Outstanding:
Beginning of year	205	$	28.23	212	$	25.97	265	$	17.64
Granted	80	33.13		79	24.16		73	35.27
Vested	(77)	25.87		(81)	19.02		(75)	15.27
Forfeited	(10)	29.43		(5)	15.75		(51)	11.49
End of year	198	$	31.07	205	$	28.23	212	$	25.97

Restricted Stock Units Performance-based Vesting Criteria

RSUs with performance-based vesting criteria are expected to vest as follows (number of RSUs in thousands):

Vesting Date	Expected to Vest	Not Expected to Vest	Total
January 1, 2022	16	30	46
January 1, 2023	22	22	44
January 1, 2024	36	—	36

Pre-tax Share-based Compensation Expense Recognized

The following table summarizes pre-tax share-based compensation expense recognized (in thousands):

	Years ended December 31,
	2021		2020		2019
Restricted stock units	$	2,244	$	1,387	$	1,336