Employee Benefit and Deferred Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2014

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,
	2014			2013			2014		2013
Service cost	$	—		$	—		$	6	$	6
Interest cost	318			187			23		15
Expected return on plan assets	(539		)	(309		)	—		—
Prior service cost recognized	—			—			—		—
Recognized actuarial loss	46			102			27		36
Net periodic benefit cost (return)	$	(175	)	$	(20	)	$	56	$	57

	Pension Benefits						Other Benefits
	Six Months Ended						Six Months Ended
	June 30,						June 30,
	2014			2013			2014		2013
Service cost	$	—		$	—		$	12	$	13
Interest cost	636			375			46		27
Expected return on plan assets	(1,078		)	(620		)	—		—
Prior service cost recognized	—			—			—		—
Recognized actuarial loss	91			199			54		55
Net periodic benefit cost (return)	$	(351	)	$	(46	)	$	112	$	95

Stock option grants assumptions

The Company employed the following assumptions with respect to its stock option grants in 2013:

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

Schedule of other share-based compensation activity

The following table summarizes the changes in stock options as of and for the six months ended June 30, 2014:

	Shares		Weighted Average Exercise Price
Options outstanding at beginning of period	1,060,350		$	18.64
Assumed from acquisition	—		—
Granted	—		—
Exercised	(144,105	)	17.01
Forfeited	(1,000	)	16.91
Options outstanding at end of period	915,245		$	18.90

The following table summarizes the changes in restricted stock as of and for the six months ended June 30, 2014:

	Performance-Based Restricted Stock		Weighted Average Grant-Date Fair Value		Time- Based Restricted Stock		Weighted Average Grant-Date Fair Value
Nonvested at beginning of period	69,850		$	19.14	22,338		$	24.30
Awarded	78,250		31.46		34,336		30.26
Vested	(69,850	)	19.14		(6,338	)	22.09
Cancelled	—		—		—		—
Nonvested at end of period	78,250		$	31.46	50,336		$	28.64