Bank segment - Credit Risk Profile - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Credit risk profile based on nonaccrual loans
With a related ACL	$ 25,639	$ 24,800
Without a related ACL	6,951	3,626
Total	32,590	28,426
Real estate \| Residential 1-4 family
Credit risk profile based on nonaccrual loans
With a related ACL	8,758	7,755
Without a related ACL	5,225	2,190
Total	13,983	9,945
Real estate \| Commercial real estate
Credit risk profile based on nonaccrual loans
With a related ACL	11,048	11,048
Without a related ACL	0	0
Total	11,048	11,048
Real estate \| Home equity line of credit
Credit risk profile based on nonaccrual loans
With a related ACL	2,404	2,626
Without a related ACL	1,538	1,135
Total	3,942	3,761
Real estate \| Residential land
Credit risk profile based on nonaccrual loans
With a related ACL	675	780
Without a related ACL	0	0
Total	675	780
Real estate \| Commercial construction
Credit risk profile based on nonaccrual loans
With a related ACL	0	0
Without a related ACL	0	0
Total	0	0
Real estate \| Residential construction
Credit risk profile based on nonaccrual loans
With a related ACL	0	0
Without a related ACL	0	0
Total	0	0
Commercial
Credit risk profile based on nonaccrual loans
With a related ACL	238	133
Without a related ACL	188	301
Total	426	434
Consumer
Credit risk profile based on nonaccrual loans
With a related ACL	2,516	2,458
Without a related ACL	0	0
Total	$ 2,516	$ 2,458

Financing Receivable, Nonaccrual, With Allowance

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- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. 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 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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