Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ 2,606	$ 4,427	$ 19,622	$ 23,599
Change in Other comprehensive income before reclassification, Unrealized gains and Losses on available-for-sale Securities	2,227	4,128	18,624	22,702
Amount reclassified from accumalted other comperhensive income, unrealized gain and losses and available for sale securities	379	299	998	897
Net Current period other comprehensive other income, Unrealized gains and Losses on available-for-sale Securities	2,606	4,427		23,599
TOTAL Balance	9,515	(4,282)	(7,501)	(23,454)
TOTAL Balance	12,121	145	12,121	145
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	2,223	4,124	18,451	22,689
Change in Other comprehensive income before reclassification, Unrealized gains and Losses on available-for-sale Securities	2,227	4,128	18,624	22,702
Amount reclassified from accumalted other comperhensive income, unrealized gain and losses and available for sale securities	(4)	(4)	(173)	(13)
Net Current period other comprehensive other income, Unrealized gains and Losses on available-for-sale Securities	2,223	4,124		22,689
TOTAL Balance	31,121	12,460	14,893	(6,105)
TOTAL Balance	33,344	16,584	33,344	16,584
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	383	303	1,171	910
Change in Other comprehensive income before reclassification, Unrealized gains and Losses on available-for-sale Securities	0	0	0	0
Amount reclassified from accumalted other comperhensive income, unrealized gain and losses and available for sale securities	383	303	1,171	910
Net Current period other comprehensive other income, Unrealized gains and Losses on available-for-sale Securities	383	303		910
TOTAL Balance	(21,606)	(16,742)	(22,394)	(17,349)
TOTAL Balance	$ (21,223)	$ (16,439)	$ (21,223)	$ (16,439)