Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Retirement Benefits [Abstract]

Unfunded Post Retirement Benefits Plan

The following table sets forth the change in the benefit obligation of the plan as of and for the years ended December 31, 2017, 2016, and 2015:

	2017			2016			2015
Benefit obligation at beginning of year	$	3,409		$	3,066		$	2,744
Interest cost		114			108			90
Service cost		103			103			96
Actual claims		(78	)		(151	)		(109	)
Actuarial (gain) loss		(808	)		283			245
Benefit obligation at end of year	$	2,740		$	3,409		$	3,066

Accumulated Other Comprehensive Income

Amounts recognized in accumulated other comprehensive income at December 31, 2017 and 2016 consist of:

	2017			2016
Net actuarial loss	$	(871	)	$	(1,871	)
Tax effect		183			654
	$	(688	)	$	(1,217	)

Recognized Net Periodic Benefit Cost and Other Comprehensive Income

The following table sets forth the components of net periodic benefit cost and other amounts recognized in other comprehensive income:

	2017			2016			2015
Service cost	$	103		$	103		$	96
Interest cost		114			108			90
Net amortization of transition obligation and actuarial loss		192			184			173
Net periodic benefit cost		409			395			359
Net (gain) loss		(808	)		282			311
Amortization of loss		(192	)		(184	)		(173	)
Total recognized in other comprehensive income		(1,000	)		98			138
Total recognized in net periodic benefit cost and other comprehensive income	$	(591	)	$	493		$	497