Loans Receivable and Allowance for Credit Losses - Schedule of Allowance for Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 21,121	$ 21,693	$ 20,893	$ 20,401	$ 20,401
Provision (recovery) for credit losses	943	67	1,175	1,381
Charge-offs	(2)	(3)	(8)	(26)
Recoveries	2	3	4	4
Net recoveries (charge-offs)	0	0	(4)	(22)
Ending balance	22,064	21,760	22,064	21,760	20,893
Construction, land & land development
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,795	5,559	4,182	5,525	5,525
Provision (recovery) for credit losses	726	203	1,339	237
Charge-offs	0	0	0	0	0
Recoveries	1	1	1	1
Net recoveries (charge-offs)	1	1	1	1
Ending balance	5,522	5,763	5,522	5,763	4,182
Other commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	9,160	10,294	9,385	9,208	9,208
Provision (recovery) for credit losses	290	(698)	65	388
Charge-offs	0	0	0	0	(2,754)
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Ending balance	9,450	9,596	9,450	9,596	9,385
Owner-occupied commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,454	1,329	1,456	1,359	1,359
Provision (recovery) for credit losses	(73)	57	(75)	27
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Ending balance	1,381	1,386	1,381	1,386	1,456
Commercial industrial & agricultural
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,175	2,729	3,349	2,514	2,514
Provision (recovery) for credit losses	12	209	(162)	424
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Ending balance	3,187	2,938	3,187	2,938	3,349
Residential real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,521	1,774	2,513	1,788	1,788
Provision (recovery) for credit losses	(12)	295	(4)	281
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Ending balance	2,509	2,069	2,509	2,069	2,513
Consumer
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	16	8	8	7	7
Provision (recovery) for credit losses	0	1	12	24
Charge-offs	(2)	(3)	(8)	(26)	(47)
Recoveries	1	2	3	3
Net recoveries (charge-offs)	(1)	(1)	(5)	(23)
Ending balance	$ 15	$ 8	$ 15	$ 8	$ 8

Amount excluding accrued interest, of allowance for credit loss on financing receivable, classified as current.

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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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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