Accumulated Other Comprehensive Income (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Footnote	$ (2,514)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax	(2,981)	$ 2,227	$ (12,198)	$ 18,624
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(2,514)	2,606		19,622
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	467	379	1,332	998
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(1,102)	12,121	(1,102)	12,121
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(2,514)	2,606	(10,866)	19,622
TOTAL Balance	1,412	9,515	9,764	(7,501)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax	(2,981)	2,227	(12,198)	18,624
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(2,985)	2,223		18,451
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	(4)	(4)	(83)	(173)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	21,881	33,344	21,881	33,344
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(2,985)	2,223	(12,281)	18,451
TOTAL Balance	24,866	31,121	34,162	14,893
Unrealized gains losses on securities available-for-sale with other than temporary impairment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	2,433	2,277	2,433	2,277
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(16)	69	81	(438)
TOTAL Balance	2,449	2,208	2,352	2,715
Unrealized gains losses on securities available-for-sale without other than temporary impairment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	19,448	31,067	19,448	31,067
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(2,969)	2,154	(12,362)	18,889
TOTAL Balance	22,417	28,913	31,810	12,178
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax	0	0	0	0
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	471	383		1,171
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	471	383	1,415	1,171
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(22,983)	(21,223)	(22,983)	(21,223)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	471	383	1,415	1,171
TOTAL Balance	$ (23,454)	$ (21,606)	$ (24,398)	$ (22,394)