Stock Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [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, 2021, 2020, and 2019 (in thousands):

	2021			2020			2019
Stock and stock unit awards:
Pre-tax compensation expense	$	1,304		$	774		$	453
Income tax benefit		(274	)		(163	)		(95	)
Total share-based compensation expense, net of income taxes	$	1,030		$	611		$	358

Summary of Unvested Stock and Stock Units

The following table summarizes non-vested stock and stock unit activity for the years ended December 31, 2021, 2020, and 2019:

	2021						2020						2019
				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		42,220		$	34.62			37,908		$	35.49			24,280		$	38.92
Granted		48,575			34.42			25,950			34.46			26,700			33.31
Vested		(28,355	)		35.02			(21,305	)		35.99			(13,072	)		37.42
Forfeited		(400	)		(34.34	)		(333	)		(33.31	)		0			0.00
Nonvested, end of year		62,040		$	34.27			42,220		$	34.62			37,908		$	35.49
Fair value of shares vested				$	993,094					$	766,774					$	489,110