Stock Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Compensation Cost, Net of Forfeitures, Related to Stock-based Compensation

The following table summarizes the compensation cost, net of forfeitures, related to stock-based compensation for the years ended December 31, 2022, 2021, and 2020 (in thousands):

	2022			2021			2020
Stock and stock unit awards:
Pre-tax compensation expense	$	1,874		$	1,304		$	774
Income tax benefit		(394	)		(274	)		(163	)
Total share-based compensation expense, net of income taxes	$	1,480		$	1,030		$	611

Summary of Unvested Stock and Stock Units

The following table summarizes non-vested stock and stock unit activity for the years ended December 31, 2022, 2021, and 2020:

	2022						2021						2020
				Weighted-avg						Weighted-avg						Weighted-avg
				Grant-date						Grant-date						Grant-date
	Shares			Fair Value			Shares			Fair Value			Shares			Fair Value
Nonvested, beginning of year		62,040		$	34.27			42,220		$	34.62			37,908		$	35.49
Granted		63,150			41.07			48,575			34.42			25,950			34.46
Vested		(40,759	)		38.20			(28,355	)		35.02			(21,305	)		35.99
Forfeited		(2,383	)		(39.35	)		(400	)		(34.34	)		(333	)		(33.31	)
Nonvested, end of year		82,048		$	37.41			62,040		$	34.27			42,220		$	34.62
Fair value of shares vested				$	1,556,870					$	993,094					$	766,774