Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income: Pre-Tax Amount	$ 5,821	$ 5,245
Net Income: Tax Effect	14	659
Net income: Net-of-Tax Amount	5,835	5,904
Other comprehensive income (loss):
Unrealized holding gains arising during the period: Pre-Tax Amount	3,961	(1,216)
Unrealized holding gains (losses) arising during the period: Tax Effect	(832)	255
Unrealized holding losses arising during the period: Net-of-Tax Amount	3,129	(961)
Unrealized holding gain from unconsolidated subsidiary: Pre-Tax Amount		5
Unrealized holding gain from unconsolidated subsidiary: Net-of-Tax Amount		5
Less reclassification adjustment for losses included in net income for sales of debt securities: Pre-Tax Amount	43	188
Less reclassification adjustment for losses (gains) included in net income for sales of debt securities: Tax Effect	(9)	(39)
Less reclassification adjustment for: gains included in net income: Net-of-Tax Amount	34	149
Pension net loss (gain): Pre-Tax Amount	2,399	(55)
Pension net loss (gain): Tax Effect	(504)	11
Pension net loss (gain): Net-of-Tax Amount	1,895	(44)
Pension (loss) gain due to change in assumptions: Pre-Tax Amount	(1,478)	601
Pension (loss) gain due to change in assumptions: Tax Effect	310	(126)
Pension (loss) gain due to change in assumptions: Net-of-Tax Amount	(1,168)	475
Amortization of pension net actuarial loss: Pre-Tax Amount	1,276	338
Amortization of net pension actuarial loss: Tax Effect	(268)	(71)
Amortization of net pension actuarial cost: Net-of-Tax Amount	1,008	267
Other comprehensive income (loss): Pre-Tax Amount	6,201	(139)
Other comprehensive income (loss): Tax Effect	(1,303)	30
Other comprehensive income (loss): Net-of-Tax Amount	4,898	(109)
Total comprehensive income: Pre-Tax Amount	12,022	5,106
Total comprehensive income: Tax Effect	(1,289)	689
Total comprehensive income: Net-of-Tax Amount	$ 10,733	$ 5,795