Allowance for Credit Losses - Credit quality indicator write-offs (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Allowance for Credit Losses
Total	$ 53	$ 135
Internally Rated
Allowance for Credit Losses
Year 1	48	52
Year 2	5	7
Year 3	0	20
Year 4	0	0
Year 5	0	0
Prior	0	56
Revolving Loans	0	0
Revolving Loans converted to Term Loans	0	0
Total	53	135
Real estate, nonresidential
Allowance for Credit Losses
Total	0	0
Real estate, nonresidential \| A, B, or C
Allowance for Credit Losses
Year 1		0
Year 2		0
Year 3		0
Year 4		0
Year 5		0
Prior		0
Revolving Loans		0
Revolving Loans converted to Term Loans		0
Total		0
Real estate, nonresidential \| S
Allowance for Credit Losses
Year 1		0
Year 2		0
Year 3		0
Year 4		0
Year 5		0
Prior		0
Revolving Loans		0
Revolving Loans converted to Term Loans		0
Total		0
Real estate, nonresidential \| D
Allowance for Credit Losses
Year 1		0
Year 2		0
Year 3		0
Year 4		0
Year 5		0
Prior		0
Revolving Loans		0
Revolving Loans converted to Term Loans		0
Total		0
Real estate, nonresidential \| E
Allowance for Credit Losses
Year 1		0
Year 2		0
Year 3		0
Year 4		0
Year 5		0
Prior		45
Revolving Loans		0
Revolving Loans converted to Term Loans		0
Total		45
Real estate, nonresidential \| F
Allowance for Credit Losses
Year 1		0
Year 2		0
Year 3		0
Year 4		0
Year 5		0
Prior		0
Revolving Loans		0
Revolving Loans converted to Term Loans		0
Total		0
Real estate, nonresidential \| Internally Rated
Allowance for Credit Losses
Year 1		0
Year 2		0
Year 3		0
Year 4		0
Year 5		0
Prior		45
Revolving Loans		0
Revolving Loans converted to Term Loans		0
Total		45
Real estate, residential
Allowance for Credit Losses
Total	0	45
Consumer/Other \| A, B, or C
Allowance for Credit Losses
Year 1	48	0
Year 2	0	0
Year 3	0	0
Year 4	0	0
Year 5	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans converted to Term Loans	0	0
Total	48	0
Consumer/Other \| S
Allowance for Credit Losses
Year 1	0	0
Year 2	0	0
Year 3	0	0
Year 4	0	0
Year 5	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans converted to Term Loans	0	0
Total	0	0
Consumer/Other \| D
Allowance for Credit Losses
Year 1	0	52
Year 2	2	7
Year 3	0	0
Year 4	0	0
Year 5	0	0
Prior	0	11
Revolving Loans	0	0
Revolving Loans converted to Term Loans	0	0
Total	2	70
Consumer/Other \| E
Allowance for Credit Losses
Year 1	0	0
Year 2	3	0
Year 3	0	20
Year 4	0	0
Year 5	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans converted to Term Loans	0	0
Total	3	20
Consumer/Other \| F
Allowance for Credit Losses
Year 1	0	0
Year 2	0	0
Year 3	0	0
Year 4	0	0
Year 5	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans converted to Term Loans	0	0
Total	0	0
Consumer/Other \| Internally Rated
Allowance for Credit Losses
Year 1	48	52
Year 2	5	7
Year 3	0	20
Year 4	0	0
Year 5	0	0
Prior	0	11
Revolving Loans	0	0
Revolving Loans converted to Term Loans	0	0
Total	$ 53	$ 90

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

Reference 1: 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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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