Employee Benefit and Deferred Compensation Plans (Tables)

3 Months Ended

Mar. 31, 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
	March 31,						March 31,
	2014			2013			2014		2013
Service cost	$	—		$	—		$	6	$	7
Interest cost	318			188			23		12
Expected return on plan assets	(539		)	(311		)	—		—
Prior service cost recognized	—			—			—		—
Recognized actuarial loss	45			97			27		19
Net periodic benefit cost (return)	$	(176	)	$	(26	)	$	56	$	38

Stock option grants assumptions

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

	2014 Grant			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

Stock Options Activity

The following table summarizes the changes in stock option grants as of and for the three months ended March 31, 2014:

	Shares		Weighted Average Exercise Price
Options outstanding at beginning of period	1,060,350		$	18.64
Assumed from acquisition	—		—
Granted	—		—
Exercised	(61,567	)	14.63
Forfeited	—		—
Options outstanding at end of period	998,783		$	18.89

Schedule of other share-based compensation activity

The following table summarizes the changes in restricted stock as of and for the three months ended March 31, 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
Granted	78,600		31.46		22,500	31.46
Vested	(69,850	)	19.14		—	—
Cancelled	—		—		—	—
Nonvested at end of period	78,600		$	31.46	44,838	$	27.89