Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Employee Benefit [Line Items]

Schedule of Accumulated and Projected Benefit Obligations

The following table reconciles the accumulated liability for the projected benefit obligation:

	December 31,
	2017			2016
	(in thousands)
Balance at beginning of year	$	26,263		$	25,544
Change in actuarial loss (gain)	(6,453		)	62
Plan amendments	148			—
Benefit expense	1,600			2,201
Benefit payments	(1,005		)	(1,544		)
Balance at end of year	$	20,553		$	26,263

SERP [Member]

Employee Benefit [Line Items]

Schedule of Expected Benefit Payments

The benefits expected to be paid in conjunction with the SERP are presented in the following table:

Years Ending December 31,	(in thousands)
2018	$	936
2019	963
2020	1,971
2021	2,095
2022	1,135
2023 through 2027	7,563
Total	$	14,663