Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Stock-Based Compensation

Summary of the Company's stock option and restricted stock activity

	Stock Options			Weighted- Average Exercise Price		Aggregate Intrinsic Value			Restricted Stock			Weighted- Average Grant-Date Fair Value
Outstanding (stock options); non-vested (restricted stock) at December 31, 2013		54,800		$	42.58	$	1,019			20,280		$	51.69
Granted		9,900			68.36		45			16,015			65.81
Exercised (stock options); vested (restricted stock)		(17,000	)		32.50		(657	)		(16,227	)		58.81
Forfeited		—			—		—			(373	)		54.10
Outstanding (stock options); non-vested (restricted stock) at December 31, 2014		47,700		$	51.52	$	1,018			19,695		$	54.69
Exercisable at December 31, 2014		47,700		$	51.52	$	1,018			n/a			n/a

	2014		2013		2012
Weighted-average fair value of stock options granted during the year	$	14.62	$	12.47	$	9.51
Weighted-average remaining contractual life for stock options in years		6.46		6.04		6.21
Total fair value of stock options vested during the year	$	145	$	123	$	94
Total intrinsic value of stock options exercised during the year	$	657	$	263	$	559
Total fair value of restricted stock vested during the year	$	955	$	811	$	988