Investment Securities (Schedule of amortized cost, gross unrealized gains and losses and fair values of available for sale securities) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Amortized Cost	$ 255,046
Gross Unrealized Gains	172	$ 172
Gross Unrealized Losses	(33,046)	(35,857)
Fair Value	222,172
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	40,148
Gross Unrealized Losses	(1,839)	(2,315)
Fair Value	38,309
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	169,662
Gross Unrealized Losses	(27,133)	(29,392)
Fair Value	142,529
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	24,783
Gross Unrealized Losses	(2,010)	(2,336)
Fair Value	22,773
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	5,110
Gross Unrealized Losses	(271)	(331)
Fair Value	4,839
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	(1,793)	(1,483)
Fair Value	12,907
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	643
Gross Unrealized Gains	172	172
Fair Value	$ 815
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).

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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).

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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).

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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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