Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

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, 2017	67,400	$	61.90	$	1,033	17,665	$	69.96
Granted	9,900		71.61		—	18,063		72.12
Exercised (stock options); vested (restricted stock)	(17,000)		57.80		447	(17,732)		74.85
Forfeited	—		—		—	(402)		72.42
Outstanding (stock options); non-vested (restricted stock) at December 31, 2018	60,300	$	64.64	$	507	17,594	$	71.36
Exercisable at December 31, 2018	60,300	$	64.64	$	507	n/a		n/a

	2018		2017		2016
Weighted-average fair value of stock options granted during the year	$	17.74	$	17.61	$	13.12
Weighted-average remaining contractual life for stock options in years		6.87		6.57		6.78
Total fair value of stock options vested during the year	$	176	$	174	$	130
Total intrinsic value of stock options exercised during the year	$	447	$	86	$	150
Total fair value of restricted stock vested during the year	$	1,327	$	1,232	$	907