Employee Benefit and Deferred Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2015

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 plans, including the plan assumed from HeritageBank, (“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
	September 30,						September 30,
	2015			2014			2015		2014
Service cost	$	—		$	—		$	5	$	1
Interest cost	427			328			15		19
Expected return on plan assets	(618		)	(539		)	—		—
Prior service cost recognized	—			—			—		—
Recognized actuarial loss	88			59			27		18
Net periodic benefit cost (return)	$	(103	)	$	(152	)	$	47	$	38

	Pension Benefits						Other Benefits
	Nine Months Ended						Nine Months Ended
	September 30,						September 30,
	2015			2014			2015		2014
Service cost	$	—		$	—		$	13	$	13
Interest cost	972			964			45		65
Expected return on plan assets	(1,639		)	(1,617		)	—		—
Prior service cost recognized	—			—			—		—
Recognized actuarial loss	244			150			73		72
Net periodic benefit (return) cost	$	(423	)	$	(503	)	$	131	$	150

Schedule of other share-based compensation activity

The following table summarizes the changes in stock options as of and for the nine months ended September 30, 2015:

	Shares		Weighted Average Exercise Price
Options outstanding at beginning of period	830,950		$	18.70
Granted	—		—
Exercised	(129,785	)	19.55
Forfeited	(7,500	)	30.63
Options outstanding at end of period	693,665		$	18.42

The following table summarizes the changes in restricted stock as of and for the nine months ended September 30, 2015:

	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	—		$	—	38,336		$	27.26
Awarded	81,750		28.93		103,588		31.74
Vested	—		—		(11,486	)	27.86
Cancelled	(250	)	28.93		(250	)	31.46
Nonvested at end of period	81,500		$	28.93	130,188		$	30.91