Investment Securities (Schedule of amortized cost, gross unrealized gains and losses and fair values of available for sale securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	$ 233,802
Gross Unrealized Gains		$ 172
Gross Unrealized Losses	(39,550)	(35,857)
Fair Value	194,252
Amortized Cost		259,344
Fair Value		223,659
U.S. Treasury securities
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	30,099
Gross Unrealized Losses	(1,533)	(2,315)
Fair Value	28,566
Amortized Cost		40,172
Fair Value		37,857
U.S. government agency mortgage-backed securities-residential
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	160,314
Gross Unrealized Losses	(33,092)	(29,392)
Fair Value	127,222
Amortized Cost		173,926
Fair Value		144,534
U.S. government agency securities
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	24,777
Gross Unrealized Losses	(2,247)	(2,336)
Fair Value	22,530
Amortized Cost		24,785
Fair Value		22,449
Municipal securities
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	3,164
Gross Unrealized Losses	(365)	(331)
Fair Value	2,799
Amortized Cost		5,117
Fair Value		4,786
Corporate Bonds
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	14,700
Gross Unrealized Losses	(2,261)	(1,483)
Fair Value	12,439
Amortized Cost		14,700
Fair Value		13,217
Other
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	748
Gross Unrealized Gains		172
Gross Unrealized Losses	(52)
Fair Value	$ 696
Amortized Cost		644
Fair Value		$ 816

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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