Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

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, 2014	47,700	$	51.52	$	1,018	17,290	$	65.46
Granted	9,900		57.80		—	16,346		60.48
Exercised (stock options); vested (restricted stock)	(1,000)		27.98		(30)	(16,140)		68.10
Forfeited	—		—		—	(85)		64.05
Outstanding (stock options); non-vested (restricted stock) at December 31, 2015	56,600	$	53.03	$	357	17,411	$	57.75
Exercisable at December 31, 2015	56,600	$	53.03	$	357	n/a		n/a

	2015		2014		2013
Weighted-average fair value of stock options granted during the year	$	10.79	$	14.62	$	12.47
Weighted-average remaining contractual life for stock options in years		6.32		6.46		6.04
Total fair value of stock options vested during the year	$	107	$	145	$	123
Total intrinsic value of stock options exercised during the year	$	30	$	657	$	263
Total fair value of restricted stock vested during the year	$	1,099	$	955	$	811