Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Stock-Based Compensation [Abstract]

Summary of Restricted Stock Activity

Following is a summary of the activity of the restricted stock:

	Six Months Ended
	June 30, 2013
	Shares		Fair Value
Balance at December 31, 2012	54,875		$	31.61
Granted	29,918		$	41.90
Vested	(25,608	)	$	30.48
Balance at June 30, 2013	59,185		$	37.30

Summary of SARs Activity

Following is a summary of the activity of the Company's SARs program for the six-month period ended June 30, 2013:

			Weighted-		Average	Aggregate
			Average		Remaining	Intrinsic
			Exercise		Contractual	Value
	Shares		Price		Term Years	(In thousands)
Outstanding at December 31, 2012	351,881		$	27.52	7.34	$	4,988
Granted	85,943		$	42.14
Exercised	(28,270	)	$	23.92
Outstanding at June 30, 2013	409,554		$	30.84	7.44	$	6,251
Exercisable at June 30, 2013	232,426		$	26.06	6.24	$	4,658

Summary of Non-vested SARs Activity

Following is a summary of the activity of the non-vested SARs during the six-month period ended June 30, 2013:

			Weighted-Average
	Shares		Grant Date Fair Value
Non-vested at December 31, 2012	161,294		$	31.70
Granted	85,943		$	42.14
Vested	(70,109	)	$	30.85
Non-vested at June 30, 2013	177,128		$	37.11

Schedule of Assumptions used in SARs Granted

Following are the assumptions used to estimate the per-share fair value of SARs granted:

	Six Months Ended June 30,
	2013	2012
Risk-free interest rate	1.29%	1.38%
Expected life	7 yrs.	7 yrs.
Expected volatility	28.72%	29.39%
Expected dividend yield	1.71%	1.84%