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Portfolio Loans - Schedule of details of impaired loans, segregated by category (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Unpaid Principal Balance | $ 14,166 | $ 20,608
Recorded investment with no allowance | 1,947 | 5,801
Recorded investment with allowance | 5,050 | 9,846
Total recorded investment | 6,997 | 15,647
Related Allowance | 1,717 | 4,501
Average Recorded Investment | 12,220 | 14,551
Total commercial loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Unpaid Principal Balance | 13,953 | 17,875
Recorded investment with no allowance | 1,886 | 3,237
Recorded investment with allowance | 5,025 | 9,821
Total recorded investment | 6,911 | 13,058
Related Allowance | 1,692 | 4,476
Average Recorded Investment | 11,024 | 12,240
Commercial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Unpaid Principal Balance | 10,007 | 9,589
Recorded investment with no allowance | 597 | 656
Recorded investment with allowance | 4,909 | 5,918
Total recorded investment | 5,506 | 6,574
Related Allowance | 1,576 | 2,476
Average Recorded Investment | 6,058 | 6,761
Commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Unpaid Principal Balance | 3,946 | 8,039
Recorded investment with no allowance | 1,289 | 2,334
Recorded investment with allowance | 116 | 3,903
Total recorded investment | 1,405 | 6,237
Related Allowance | 116 | 2,000
Average Recorded Investment | 4,866 | 5,219
Real estate construction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Unpaid Principal Balance | 0 | 247
Recorded investment with no allowance | 0 | 247
Recorded investment with allowance | 0 | 0
Total recorded investment | 0 | 247
Related Allowance | 0 | 0
Average Recorded Investment | 100 | 260
Total retail loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Unpaid Principal Balance | 213 | 2,733
Recorded investment with no allowance | 61 | 2,564
Recorded investment with allowance | 25 | 25
Total recorded investment | 86 | 2,589
Related Allowance | 25 | 25
Average Recorded Investment | 1,196 | 2,311
Retail real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Unpaid Principal Balance | 213 | 2,733
Recorded investment with no allowance | 61 | 2,564
Recorded investment with allowance | 25 | 25
Total recorded investment | 86 | 2,589
Related Allowance | 25 | 25
Average Recorded Investment | $ 1,196 | $ 2,311

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