Accumulated Other Comprehensive Income (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Footnote	$ (55,605)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax	(55,919)	$ 1,965	$ (124,829)	$ (9,217)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(55,605)	2,244		(8,352)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	314	279	625	865
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(126,630)	1,412	(126,630)	1,412
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(55,605)	2,244	(124,204)	(8,352)
TOTAL Balance	(71,025)	(832)	(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	(55,919)	1,965	(124,829)	(9,217)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(55,919)	1,772		(9,296)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0	(193)	(4)	(79)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(109,159)	24,866	(109,159)	24,866
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(55,919)	1,772	(124,833)	(9,296)
TOTAL Balance	(53,240)	23,094	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	2,315	2,449	2,315	2,449
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(333)	(47)	(204)	97
TOTAL Balance	2,648	2,496	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	(111,474)	22,417	(111,474)	22,417
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(55,586)	1,819	(124,629)	(9,393)
TOTAL Balance	(55,888)	20,598	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	0	0
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	314	472		944
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	314	472	629	944
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
TOTAL Balance	(17,471)	(23,454)	(17,471)	(23,454)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	314	472	629	944
TOTAL Balance	$ (17,785)	$ (23,926)	$ (18,100)	$ (24,398)