Employee Benefit and Deferred Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Plan expense for non-contributory benefit pension plan and post-retirement health and life plans

The plan expense for the Company-sponsored noncontributory defined benefit pension plan (“Pension Benefits”) and post-retirement health and life plans (“Other Benefits”) for the periods presented was as follows:

	Pension Benefits						Other Benefits
	Three Months Ended						Three Months Ended
	June 30,						June 30,
	2013			2012			2013		2012
Service cost	$	—		$	—		$	6	$	6
Interest cost	187			215			15		16
Expected return on plan assets	(309		)	(298		)	—		—
Prior service cost recognized	—			—			—		—
Recognized actuarial loss	102			89			36		18
Net periodic benefit cost	$	(20	)	$	6		$	57	$	40

	Pension Benefits						Other Benefits
	Six Months Ended						Six Months Ended
	June 30,						June 30,
	2013			2012			2013		2012
Service cost	$	—		$	—		$	13	$	12
Interest cost	375			430			27		32
Expected return on plan assets	(620		)	(596		)	—		—
Prior service cost recognized	—			—			—		—
Recognized actuarial loss	199			178			55		36
Net periodic benefit cost	$	(46	)	$	12		$	95	$	80

Stock option grants assumptions

The Company employed the following assumptions with respect to its stock option grants in 2013 and 2012 for the six month periods endedJune 30, 2013 and 2012:

	2013 Grant			2012 Grant
Shares granted	52,500			172,000
Dividend yield	3.55		%	4.55		%
Expected volatility	37		%	37		%
Risk-free interest rate	0.76		%	0.79		%
Expected lives	6 years			6 years
Weighted average exercise price	$	19.14		$	14.96
Weighted average fair value	$	4.47		$	3.10