Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Components of Company Plan Benefit Expense

The following table summarizes key information related to the Company’s pension plans and retirement agreements (in thousands):

	Nine Months Ended September 30, 2017			Year Ended December 31, 2016
Change in Projected Benefit Obligation
Projected benefit obligation, beginning of period	$	28,624		$	25,935
Service cost	751			995
Interest cost	921			1,155
Actuarial loss	—			1,031
Benefits paid	(426		)	(492		)
Projected benefit obligation, end of period	$	29,870		$	28,624
Change in Plan Assets
Plan assets at fair value, beginning of period	$	—		$	—
Company contributions	426			492
Benefits paid	(426		)	(492		)
Plan assets at fair value, end of period	$	—		$	—
Unfunded Status of the Plan	$	(29,870	)	$	(28,624	)

Components of Net Periodic Benefit Cost

	Three Months Ended				Nine Months Ended
	September 30, 2017		September 30, 2016		September 30, 2017		September 30, 2016
Components of Net Periodic Benefit Cost
Service cost	$	250	$	249	$	751	746
Interest cost	307		289		$	921	$	866
Net loss	73		53		218		160
Net periodic pension cost	$	630	$	591	$	1,890	$	1,772