Loans, Leases and Allowance - Schedule of Financing Receivable, Allowance for Credit Loss (Details) - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	$ 15,790,885	$ 15,663,000
Provision for (reversal of) credit losses	2,383,000	1,634,000
Charge-offs	(2,188,000)	(2,042,000)
Recoveries	480,000	536,000
Allowance for loan and lease losses, ending	16,465,708	15,790,885
Commercial mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	4,486,000	4,655,000
Provision for (reversal of) credit losses	88,000	(169,000)
Charge-offs	0	0
Recoveries	1,000	0
Allowance for loan and lease losses, ending	4,575,000	4,486,000
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	1,483,000	1,281,000
Provision for (reversal of) credit losses	302,000	138,000
Charge-offs	(2,000)	(16,000)
Recoveries	29,000	80,000
Allowance for loan and lease losses, ending	1,812,000	1,483,000
Construction and development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	2,243,000	3,883,000
Provision for (reversal of) credit losses	55,000	(1,640,000)
Charge-offs	0	0
Recoveries	0	0
Allowance for loan and lease losses, ending	2,298,000	2,243,000
Multi-family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	2,660,000	1,789,000
Provision for (reversal of) credit losses	(324,000)	871,000
Charge-offs	0	0
Recoveries	0	0
Allowance for loan and lease losses, ending	2,336,000	2,660,000
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	1,910,000	1,681,000
Provision for (reversal of) credit losses	(106,000)	225,000
Charge-offs	0	(10,000)
Recoveries	29,000	14,000
Allowance for loan and lease losses, ending	1,833,000	1,910,000
Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	184,000	102,000
Provision for (reversal of) credit losses	5,000	82,000
Charge-offs	0	0
Recoveries	0	0
Allowance for loan and lease losses, ending	189,000	184,000
Direct financing leases
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	2,469,000	1,955,000
Provision for (reversal of) credit losses	2,217,000	1,942,000
Charge-offs	(1,957,000)	(1,731,000)
Recoveries	346,000	303,000
Allowance for loan and lease losses, ending	3,075,000	2,469,000
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan and lease losses, beginning	356,000	317,000
Provision for (reversal of) credit losses	146,000	185,000
Charge-offs	(229,000)	(285,000)
Recoveries	75,000	139,000
Allowance for loan and lease losses, ending	$ 348,000	$ 356,000

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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