Accumulated Other Comprehensive Loss (Details 1) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Related income tax expense		$ 1,014	$ 3,598
Net effect on accumulated other other comprehensive loss for the period		(314)	(247)
Securities available for sale
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net effect on accumulated other other comprehensive loss for the period	[1]	(19)	(18)
Defined benefit pension plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net effect on accumulated other other comprehensive loss for the period	[1]	(295)	(229)
Amount Reclassified from Accumulated Other Comprehensive Loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net effect on accumulated other other comprehensive loss for the period		(314)	(247)
Amount Reclassified from Accumulated Other Comprehensive Loss | Securities available for sale
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities losses reclassified into earnings gain (loss) on sale of investments	[2]	(22)	(27)
Related income tax expense	[2]	4	9
Net effect on accumulated other other comprehensive loss for the period	[2]	(18)	(18)
Amount Reclassified from Accumulated Other Comprehensive Loss | Defined benefit pension plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net loss and prior service costs compensation and employee benefits	[3]	(374)	(347)
Related income tax expense	[3]	78	118
Net effect on accumulated other other comprehensive loss for the period	[3]	$ (296)	$ (229)

[1] All amounts are net of tax. Related income tax expense or benefit is calculated using an income tax rate of 21.0 % in Fiscal 2018 and 34.0% in Fiscal 2017.

[2] For additional details related to unrealized gains and losses on securities and related amounts reclassified from accumulated other comprehensive loss see Note 2, "Available for Sale Securities."

[3] Included in the computation of net periodic pension cost. See Note 11, "Employee Benefits" for additional details