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Loans - Impaired Loans (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) loan | Sep. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) loan | Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans without a specific valuation allowance - Recorded Balance |  |  |  |  | $ 23,226 |  |
Loans without a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 24,134 |  |
Loans without a specific valuation allowance |  |  |  |  | 0 |  |
Impaired loans, recorded investment |  |  |  |  | 1,918 |  |
Loans with a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 1,918 |  |
Loans without a specific valuation allowance - Average Balance | $ 12,452 |  | $ 8,968 |  |  |  |
Loans without a specific valuation allowance - Interest Income | 9 |  | 26 |  |  |  |
Loans with a specific valuation allowance - Average Balance | 3,036 |  | 3,506 |  |  |  |
Loans with a specific valuation allowance - Interest Income | 0 |  | 45 |  |  |  |
Average recorded investment | 15,488 |  | 12,474 |  |  |  |
Interest Income | 9 |  | 71 |  |  |  |
Other real estate owned |  | $ 106 |  |  | $ 0 |  |
Mortgage loans in process of foreclosure, number of loans | loan |  | 2 |  |  | 1 |  |
Mortgage loans in process of foreclosure, amount |  | $ 500 |  |  | $ 100 |  |
Total loans | 29,866 | 36,452 | 29,866 | $ 36,058 | 31,737 | $ 29,153 | $ 27,841
Loans with a specific valuation allowance |  |  |  |  | 754 |  |
Specific allowance |  |  |  |  | 754 |  |
Recorded investment |  |  |  |  | 25,144 |  |
Unpaid principal balance |  |  |  |  | 26,052 |  |
Financing receivable, troubled debt restructuring | 700 |  | 700 |  |  |  |
Commercial Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,578 |  |  |  |  |
Residential Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 2,573 |  |  |  |  |
Other Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 2,787 |  |  |  |  |
Collateral Pledged |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 6,938 |  |  |  |  |
Total loans |  | 1,521 |  |  |  |  |
Commercial and industrial |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans without a specific valuation allowance - Recorded Balance |  |  |  |  | 9,750 |  |
Loans without a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 9,750 |  |
Loans without a specific valuation allowance |  |  |  |  | 0 |  |
Impaired loans, recorded investment |  |  |  |  | 51 |  |
Loans with a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 51 |  |
Loans without a specific valuation allowance - Average Balance | 4,906 |  | 1,636 |  |  |  |
Loans without a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Loans with a specific valuation allowance - Average Balance | 350 |  | 456 |  |  |  |
Loans with a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Total loans | 1,727 | 2,110 | 1,727 | 1,849 | 1,711 | 2,026 | 1,891
Loans with a specific valuation allowance |  |  |  |  | 51 |  |
Commercial and industrial | Commercial Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Commercial and industrial | Residential Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Commercial and industrial | Other Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,370 |  |  |  |  |
Commercial and industrial | Collateral Pledged |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,370 |  |  |  |  |
Total loans |  | 0 |  |  |  |  |
Owner-occupied commercial real estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans without a specific valuation allowance - Recorded Balance |  |  |  |  | 1,570 |  |
Loans without a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 1,779 |  |
Loans without a specific valuation allowance |  |  |  |  | 0 |  |
Loans without a specific valuation allowance - Average Balance | 1,645 |  | 2,471 |  |  |  |
Loans without a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Total loans | 616 | 858 | 616 | 789 | 651 | 703 | 742
Owner-occupied commercial real estate | Commercial Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Owner-occupied commercial real estate | Residential Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Owner-occupied commercial real estate | Other Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Owner-occupied commercial real estate | Collateral Pledged |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Total loans |  | 0 |  |  |  |  |
Single tenant lease financing |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans with a specific valuation allowance - Average Balance | 0 |  | 547 |  |  |  |
Loans with a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Total loans | 10,027 | 8,365 | 10,027 | 9,970 | 10,519 | 9,712 | 10,385
Healthcare finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans with a specific valuation allowance - Average Balance | 660 |  | 826 |  |  |  |
Loans with a specific valuation allowance - Interest Income | 0 |  | 45 |  |  |  |
Total loans | 3,612 | 2,227 | 3,612 | 2,421 | 2,997 | 4,762 | 5,940
Small business lending |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans without a specific valuation allowance - Recorded Balance |  |  |  |  | 8,184 |  |
Loans without a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 8,705 |  |
Loans without a specific valuation allowance |  |  |  |  | 0 |  |
Impaired loans, recorded investment |  |  |  |  | 1,867 |  |
Loans with a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 1,867 |  |
Loans without a specific valuation allowance - Average Balance | 2,167 |  | 1,288 |  |  |  |
Loans without a specific valuation allowance - Interest Income |  | 0 | 0 |  |  |  |
Loans with a specific valuation allowance - Average Balance | 1,827 |  | 1,611 |  |  |  |
Loans with a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Total loans | 2,046 | 4,221 | 2,046 | 2,618 | 2,168 | 1,956 | 1,387
Loans with a specific valuation allowance |  |  |  |  | 703 |  |
Small business lending | Commercial Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,578 |  |  |  |  |
Small business lending | Residential Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,219 |  |  |  |  |
Small business lending | Other Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,328 |  |  |  |  |
Small business lending | Collateral Pledged |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 4,125 |  |  |  |  |
Total loans |  | 1,521 |  |  |  |  |
Residential mortgage |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans without a specific valuation allowance - Recorded Balance |  |  |  |  | 3,676 |  |
Loans without a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 3,835 |  |
Loans without a specific valuation allowance |  |  |  |  | 0 |  |
Loans without a specific valuation allowance - Average Balance | 3,711 |  | 3,550 |  |  |  |
Loans without a specific valuation allowance - Interest Income | 9 |  | 26 |  |  |  |
Total loans | 1,370 | 2,280 | 1,370 | 2,550 | 1,559 | 1,138 | 643
Residential mortgage | Commercial Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Residential mortgage | Residential Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,354 |  |  |  |  |
Residential mortgage | Other Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Residential mortgage | Collateral Pledged |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 1,354 |  |  |  |  |
Total loans |  | 0 |  |  |  |  |
Home equity |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans without a specific valuation allowance - Recorded Balance |  |  |  |  | 29 |  |
Loans without a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 29 |  |
Loans without a specific valuation allowance |  |  |  |  | 0 |  |
Loans without a specific valuation allowance - Average Balance | 15 |  | 14 |  |  |  |
Loans without a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Total loans | 62 | 192 | 62 | 224 | 69 | 54 | 64
Other consumer loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans without a specific valuation allowance - Recorded Balance |  |  |  |  | 17 |  |
Loans without a specific valuation allowance - Unpaid Principal Balance |  |  |  |  | 36 |  |
Loans without a specific valuation allowance |  |  |  |  | 0 |  |
Loans without a specific valuation allowance - Average Balance | 8 |  | 9 |  |  |  |
Loans without a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Loans with a specific valuation allowance - Average Balance | 199 |  | 66 |  |  |  |
Loans with a specific valuation allowance - Interest Income | 0 |  | 0 |  |  |  |
Total loans | $ 2,938 | 6,125 | $ 2,938 | $ 6,288 | $ 3,149 | $ 2,343 | $ 1,990
Other consumer loans | Commercial Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Other consumer loans | Residential Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 0 |  |  |  |  |
Other consumer loans | Other Real Estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 89 |  |  |  |  |
Other consumer loans | Collateral Pledged |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Nonaccrual Loans |  | 89 |  |  |  |  |
Total loans |  | $ 0 |  |  |  |  |

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