Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

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):

	Sis Months Ended June 30, 2018			Year Ended December 31, 2017
Change in Projected Benefit Obligation
Projected benefit obligation, beginning of period	$	32,820		$	28,624
Service cost	600			1,001
Interest cost	621			1,228
Actuarial loss	—			2,474
Benefits paid	(228		)	(507		)
Projected benefit obligation, end of period	$	33,813		$	32,820
Change in Plan Assets
Plan assets at fair value, beginning of period	$	—		$	—
Company contributions	228			507
Benefits paid	(228		)	(507		)
Plan assets at fair value, end of period	$	—		$	—
Unfunded Status of the Plan	$	(33,813	)	$	(32,820	)

Components of Net Periodic Benefit Cost

	Three Months Ended				Six Months Ended
	June 30, 2018		June 30, 2017		June 30, 2018		June 30, 2017
Components of Net Periodic Benefit Cost
Service cost	$	300	$	250	$	600	$	501
Interest cost	310		307		621		617
Net loss	133		73		266		145
Net periodic pension cost	$	743	$	630	$	1,487	$	1,263