Portfolio Loans - Schedule of loan modifications made to borrowers experiencing financial difficulty (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2023
Interest Rate Reduction
Loans identified as impaired
Amortized cost basis	$ 880	$ 880
% of Total Class of Financing Receivable	0.00%	0.00%
Interest Rate Reduction \| Commercial
Loans identified as impaired
Amortized cost basis	$ 0	$ 0
% of Total Class of Financing Receivable	0.00%	0.00%
Interest Rate Reduction \| Commercial real estate
Loans identified as impaired
Amortized cost basis	$ 880	$ 880
% of Total Class of Financing Receivable	0.00%	0.00%
Interest Rate Reduction \| Real estate construction
Loans identified as impaired
Amortized cost basis		$ 0
% of Total Class of Financing Receivable		0.00%
Payment Deferral
Loans identified as impaired
Amortized cost basis		$ 225
% of Total Class of Financing Receivable		0.00%
Payment Deferral \| Commercial
Loans identified as impaired
Amortized cost basis		$ 0
% of Total Class of Financing Receivable		0.00%
Payment Deferral \| Commercial real estate
Loans identified as impaired
Amortized cost basis		$ 225
% of Total Class of Financing Receivable		0.00%
Payment Deferral \| Real estate construction
Loans identified as impaired
Amortized cost basis		$ 0
% of Total Class of Financing Receivable		0.00%
Term Extension
Loans identified as impaired
Amortized cost basis	$ 12,579	$ 23,690
% of Total Class of Financing Receivable	0.20%	0.30%
Term Extension \| Commercial
Loans identified as impaired
Amortized cost basis	$ 12,026	$ 17,334
% of Total Class of Financing Receivable	0.60%	0.90%
Term Extension \| Commercial real estate
Loans identified as impaired
Amortized cost basis	$ 553	$ 1,003
% of Total Class of Financing Receivable	0.00%	0.00%
Term Extension \| Real estate construction
Loans identified as impaired
Amortized cost basis		$ 5,353
% of Total Class of Financing Receivable		1.00%

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

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- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

+ Details

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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/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Section 50
-Paragraph 42
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

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- Details

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- Details

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