Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Defined Benefit Plan Disclosure [Line Items]

Reconcilement of the Accumulated Liability for the Benefit Obligation

The following table reconciles the accumulated liability for the benefit obligation of these agreements:

	(Amounts in thousands)
	Years Ended December 31,
	2017			2016			2015
Beginning balance	$	2,957		$	2,760		$	2,549
Benefit expense		387			359			369
Benefit payments		(162	)		(162	)		(158	)
Ending balance	$	3,182		$	2,957		$	2,760

Other Postretirement Benefit Plans, Defined Benefit

Defined Benefit Plan Disclosure [Line Items]

Reconcilement of the Accumulated Liability for the Benefit Obligation

The following table presents the changes in the accumulated liability.

	(Amounts in thousands)
	December 31,
	2017			2016			2015
Beginning balance	$	840		$	856		$	616
Expense recorded		50			23			132
Other comprehensive (income) loss recorded		(14	)		(39	)		108
Ending balance	$	876		$	840		$	856