Securities, Available-for-Sale Investment Securities Portfolios (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available-for-Sale Investment Securities Portfolios [Abstract]
Amortized cost	$ 343,609	$ 353,329
Gross unrealized gains	7	37
Gross unrealized losses	(27,187)	(24,617)
Fair value	316,429	328,749
Federal Agency Mortgage-backed Securities ("MBS") [Member]
Available-for-Sale Investment Securities Portfolios [Abstract]
Amortized cost	78,141	84,955
Gross unrealized gains	2	2
Gross unrealized losses	(13,006)	(10,788)
Fair value	65,137	74,169
Federal Agency Collateralized Mortgage Obligations (CMO) [Member]
Available-for-Sale Investment Securities Portfolios [Abstract]
Amortized cost	25,342	27,776
Gross unrealized gains	0	0
Gross unrealized losses	(2,046)	(1,676)
Fair value	23,296	26,100
Federal Agency Debt [Member]
Available-for-Sale Investment Securities Portfolios [Abstract]
Amortized cost	55,839	55,687
Gross unrealized gains	0	26
Gross unrealized losses	(4,265)	(4,288)
Fair value	51,574	51,425
Municipal Bonds [Member]
Available-for-Sale Investment Securities Portfolios [Abstract]
Amortized cost	4,842	4,866
Gross unrealized gains	0	0
Gross unrealized losses	(672)	(669)
Fair value	4,170	4,197
U.S. Treasuries [Member]
Available-for-Sale Investment Securities Portfolios [Abstract]
Amortized cost	166,786	165,997
Gross unrealized gains	0	0
Gross unrealized losses	(5,136)	(5,408)
Fair value	161,650	160,589
SBA Pools [Member]
Available-for-Sale Investment Securities Portfolios [Abstract]
Amortized cost	12,659	14,048
Gross unrealized gains	5	9
Gross unrealized losses	(2,062)	(1,788)
Fair value	$ 10,602	$ 12,269

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
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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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
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
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