Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Stock-Based Compensation

Summary of the Company's stock option and restricted stock activity (in thousands)

		Weighted-					Weighted-
		Average		Aggregate			Average
	Stock	Exercise		Intrinsic		Restricted	Grant-Date
	Options	Price		Value		Stock	Fair Value
Outstanding (stock options); non-vested (restricted stock) at December 31, 2020	46,100	$	77.98	$	1,661	18,521	$	103.10
Granted	9,900		131.24		—	18,400		130.48
Exercised (stock options); vested (restricted stock)	(9,500)		69.58		647	(18,639)		112.47
Forfeited	—		—		—	(136)		99.80
Outstanding (stock options); non-vested (restricted stock) at December 31, 2021	46,500	$	91.04	$	1,788	18,146	$	121.26
Exercisable at December 31, 2021	46,500	$	91.04	$	1,788	n/a		n/a

	2021		2020		2019
Weighted-average fair value of stock options granted during the year	$	42.10	$	31.30	$	20.47
Weighted-average remaining contractual life for stock options in years		6.85		6.74		6.64
Total fair value of stock options vested during the year	$	321	$	310	$	203
Total intrinsic value of stock options exercised during the year	$	647	$	1,128	$	57
Total fair value of restricted stock vested during the year	$	2,096	$	1,612	$	1,303