Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Change in benefit obligation, plan assets funded status and net periodic pension cost (benefit) [Table Text Block]

The following table presents information regarding this plan (in thousands):

	December 31,
	2016			2015
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	38,797		$	45,224
Interest cost	1,309			1,487
Actuarial loss (gain)	(55		)	(2,702		)
Benefits paid	(5,087		)	(5,212		)
Projected benefit obligation at end of year1,2	$	34,964		$	38,797
Change in plan assets:
Plan assets at fair value at beginning of year	$	44,190		$	49,443
Actual return on plan assets	2,666			(41		)
Benefits paid	(5,087		)	(5,212		)
Plan assets at fair value at end of year	$	41,769		$	44,190
Funded status of the plan	$	6,805		$	5,393
Components of net periodic benefit costs:
Interest cost	$	1,309		$	1,487
Expected return on plan assets	(2,167		)	(2,706		)
Other	(741		)	1,849
Net benefit cost	$	(1,599	)	$	630

¹  Projected benefit obligation equals accumulated benefit obligation.

²  Projected benefit obligation is based on January 1 measurement date.

Valuation assumptions used [Table Text Block]

Weighted-average assumptions as of December 31:	2016		2015
Discount rate	3.43	%	3.54	%
Expected return on plan assets	5.00	%	5.00	%

Expected future benefit payments [Table Text Block]

As of December 31, 2016, expected future benefit payments related to the Pension Plan were as follows (in thousands):

2017	$	2,706
2018	3,072
2019	3,402
2020	3,090
2021	2,934
Thereafter	28,044
Total estimated future benefit payments	$	43,248