Accumulated Other Comprehensive Income (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Footnote	$ (68,599)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax	(68,910)	$ (11,182)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(68,599)	(10,596)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	311	586
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(71,025)	(832)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(68,599)	(10,596)
TOTAL Balance	(2,426)	9,764
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	(68,910)	(11,182)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(68,914)	(11,068)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	(4)	114
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(53,240)	23,094
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(68,914)	(11,068)
TOTAL Balance	15,674	34,162
Unrealized gains losses on securities available-for-sale with other than temporary impairment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	2,648	2,496
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	129	144
TOTAL Balance	2,519	2,352
Unrealized gains losses on securities available-for-sale without other than temporary impairment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(55,888)	20,598
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(69,043)	(11,212)
TOTAL Balance	13,155	31,810
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	315	472
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	315	472
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(17,785)	(23,926)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	315	472
TOTAL Balance	$ (18,100)	$ (24,398)