Accumulated Other Comprehensive Income (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Footnote	$ (10,596)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax	(11,182)	$ 13,244
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(10,596)	13,502
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	586	258
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(832)	6,001
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(10,596)	13,502
TOTAL Balance	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	(11,182)	13,244
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(11,068)	13,098
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	114	(146)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	23,094	27,991
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(11,068)	13,098
TOTAL Balance	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	2,496	2,425
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	144	(290)
TOTAL Balance	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	20,598	25,566
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(11,212)	13,388
TOTAL Balance	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
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	472	404
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	472	404
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(23,926)	(21,990)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	472	404
TOTAL Balance	$ (24,398)	$ (22,394)