Employee Benefit Plans

9 Months Ended

Sep. 30, 2016

Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The components of net periodic benefit cost (income) are as follows (in thousands):

	Three Months Ended September 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired						Restoration Plan
	2016			2015			2016			2015			2016		2015
Service cost	$	347		$	459		$	—		$	—		$	52	$	59
Interest cost	928			853			53			59			133		195
Expected return on assets	(1,306		)	(1,421		)	(66		)	(73		)	—		—
Net loss amortization	412			377			—			—			46		314
Prior service (credit) cost amortization	(12		)	(6		)	—			—			2		2
Net periodic benefit cost (income)	$	369		$	262		$	(13	)	$	(14	)	$	233	$	570

	Nine Months Ended September 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired						Restoration Plan
	2016			2015			2016			2015			2016		2015
Service cost	$	1,031		$	1,378		$	—		$	—		$	155	$	250
Interest cost	2,798			2,558			159			178			401		501
Expected return on assets	(3,917		)	(4,263		)	(199		)	(220		)	—		—
Net loss amortization	1,232			1,129			—			—			139		707
Prior service (credit) cost amortization	(11		)	(17		)	—			—			5		5
Special and contractual termination benefits	1,549			—			—			—			—		—
Net periodic benefit cost (income)	$	2,682		$	785		$	(40	)	$	(42	)	$	700	$	1,463