Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ 2,244	$ 3,514	$ (8,352)	$ 17,016
Change in Other comprehensive income before reclassification, Unrealized gains and Losses on available-for-sale Securities	1,965	3,153	(9,217)	16,397
Amount reclassified from accumalted other comperhensive income, unrealized gain and losses and available for sale securities	279	361	865	619
Net Current period other comprehensive other income, Unrealized gains and Losses on available-for-sale Securities	2,244	3,514		17,016
TOTAL Balance	(832)	6,001	9,764	(7,501)
TOTAL Balance	1,412	9,515	1,412	9,515
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	1,772	3,130	(9,296)	16,228
Change in Other comprehensive income before reclassification, Unrealized gains and Losses on available-for-sale Securities	1,965	3,153	(9,217)	16,397
Amount reclassified from accumalted other comperhensive income, unrealized gain and losses and available for sale securities	(193)	(23)	(79)	(169)
Net Current period other comprehensive other income, Unrealized gains and Losses on available-for-sale Securities	1,772	3,130		16,228
TOTAL Balance	23,094	27,991	34,162	14,893
TOTAL Balance	24,866	31,121	24,866	31,121
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	472	384	944	788
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	472	384	944	788
Net Current period other comprehensive other income, Unrealized gains and Losses on available-for-sale Securities	472	384		788
TOTAL Balance	(23,926)	(21,990)	(24,398)	(22,394)
TOTAL Balance	$ (23,454)	$ (21,606)	$ (23,454)	$ (21,606)