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Loans - Provision for Credit Losses on Off-Balance Sheet Commitments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |  |
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | $ 0 | $ 3,491 |
Provision for credit losses 1 | $ 111 | $ 0 | $ 1,098 | $ 0 |  |  |  |  |
Total loans | 36,452 | 29,866 | 36,452 | 29,866 | $ 36,058 |  | 31,737 | 29,153 | $ 27,841
Provision for credit losses 1 | 1,850 | 892 | 11,976 | 2,868 |  |  |  |  |
Losses Charged Off | (1,517) | (236) | (10,639) | (2,467) |  |  |  |  |
Recoveries | 61 | 57 | 416 | 1,624 |  |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | $ 2,504 | 1,900 |  |
Total loans |  |  |  |  |  | 2,962 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 3,602 |  | 3,602 |  |  | 2,504 |  |  |
Total loans | 36,452 |  | 36,452 |  |  | 34,699 |  |  |
Commercial and industrial |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,110 | 1,727 | 2,110 | 1,727 | 1,849 |  | 1,711 | 2,026 | 1,891
Provision for credit losses 1 | 260 | (301) | 7,265 | (166) |  |  |  |  |
Losses Charged Off | 0 | 0 | (6,965) | 0 |  |  |  |  |
Recoveries | 1 | 2 | 219 | 2 |  |  |  |  |
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (120) |  |  |
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,110 |  | 2,110 |  |  |  |  |  |
Owner-occupied commercial real estate |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 858 | 616 | 858 | 616 | 789 |  | 651 | 703 | 742
Provision for credit losses 1 | 69 | (87) | 145 | (126) |  |  |  |  |
Losses Charged Off | 0 | 0 | 0 | 0 |  |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |  |
Owner-occupied commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 62 |  |  |
Owner-occupied commercial real estate | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 858 |  | 858 |  |  |  |  |  |
Investor commercial real estate |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 1,313 | 1,074 | 1,313 | 1,074 | 1,416 |  | 1,099 | 621 | 328
Provision for credit losses 1 | 488 | 453 | 996 | 746 |  |  |  |  |
Losses Charged Off | (591) | 0 | (591) | 0 |  |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |  |
Investor commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (191) |  |  |
Investor commercial real estate | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 1,313 |  | 1,313 |  |  |  |  |  |
Construction |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,103 | 1,590 | 2,103 | 1,590 | 1,940 |  | 2,074 | 1,707 | 1,612
Provision for credit losses 1 | 163 | (117) | 464 | (22) |  |  |  |  |
Losses Charged Off | 0 | 0 | 0 | 0 |  |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |  |
Construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (435) |  |  |
Construction | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,103 |  | 2,103 |  |  |  |  |  |
Healthcare finance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,227 | 3,612 | 2,227 | 3,612 | 2,421 |  | 2,997 | 4,762 | 5,940
Provision for credit losses 1 | (194) | (1,150) | (1,779) | (2,328) |  |  |  |  |
Losses Charged Off | 0 | 0 | (25) | 0 |  |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |  |
Healthcare finance | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 1,034 |  |  |
Healthcare finance | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,227 |  | 2,227 |  |  |  |  |  |
Residential mortgage |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,280 | 1,370 | 2,280 | 1,370 | 2,550 |  | 1,559 | 1,138 | 643
Provision for credit losses 1 | (215) | 231 | 367 | 724 |  |  |  |  |
Losses Charged Off | (56) | 0 | (56) | 0 |  |  |  |  |
Recoveries | 1 | 1 | 4 | 3 |  |  |  |  |
Residential mortgage | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 406 |  |  |
Residential mortgage | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 2,280 |  | 2,280 |  |  |  |  |  |
Home equity |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 192 | 62 | 192 | 62 | 224 |  | 69 | 54 | 64
Provision for credit losses 1 | (34) | 7 | (15) | (139) |  |  |  |  |
Losses Charged Off | 0 | 0 | 0 | 0 |  |  |  |  |
Recoveries | 2 | 1 | 5 | 137 |  |  |  |  |
Home equity | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 133 |  |  |
Home equity | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 192 |  | 192 |  |  |  |  |  |
Other consumer loans |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 6,125 | 2,938 | 6,125 | 2,938 | 6,288 |  | 3,149 | 2,343 | 1,990
Provision for credit losses 1 | (88) | 651 | 811 | 1,116 |  |  |  |  |
Losses Charged Off | (119) | (106) | (502) | (397) |  |  |  |  |
Recoveries | 44 | 50 | 134 | 229 |  |  |  |  |
Other consumer loans | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 2,533 |  |  |
Other consumer loans | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 6,125 |  | 6,125 |  |  |  |  |  |
Single tenant lease financing |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 8,365 | 10,027 | 8,365 | 10,027 | 9,970 |  | 10,519 | 9,712 | 10,385
Provision for credit losses 1 | (1,605) | 315 | (1,808) | (1,589) |  |  |  |  |
Losses Charged Off | 0 | 0 | 0 | 0 |  |  |  |  |
Recoveries | 0 | 0 | 0 | 1,231 |  |  |  |  |
Single tenant lease financing | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (346) |  |  |
Single tenant lease financing | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 8,365 |  | 8,365 |  |  |  |  |  |
Public finance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 1,411 | 1,789 | 1,411 | 1,789 | 1,509 |  | 1,753 | 1,850 | 1,776
Provision for credit losses 1 | (98) | (61) | (207) | 13 |  |  |  |  |
Losses Charged Off | 0 | 0 | 0 | 0 |  |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |  |
Public finance | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (135) |  |  |
Public finance | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 1,411 |  | 1,411 |  |  |  |  |  |
Small business lending |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 4,221 | 2,046 | 4,221 | 2,046 | 2,618 |  | 2,168 | 1,956 | 1,387
Provision for credit losses 1 | 2,341 | 217 | 3,834 | 847 |  |  |  |  |
Losses Charged Off | (751) | (130) | (2,169) | (210) |  |  |  |  |
Recoveries | 13 | 3 | 54 | 22 |  |  |  |  |
Small business lending | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 334 |  |  |
Small business lending | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 4,221 |  | 4,221 |  |  |  |  |  |
Franchise finance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 5,247 | 3,015 | 5,247 | 3,015 | $ 4,484 |  | 3,988 | 2,281 | 1,083
Provision for credit losses 1 | 763 | 734 | 1,903 | 1,932 |  |  |  |  |
Losses Charged Off | 0 | 0 | (331) | 0 |  |  |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |  |  |
Franchise finance | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (313) |  |  |
Franchise finance | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans | 5,247 |  | 5,247 |  |  |  |  |  |
Tax Refund Advance Loans |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  | $ 0 |  | 0 |  |  |  |  | $ 0
Provision for credit losses 1 |  |  |  | 1,860 |  |  |  |  |
Losses Charged Off |  |  |  | (1,860) |  |  |  |  |
Recoveries |  |  |  | 0 |  |  |  |  |
Commercial Portfolio Segment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 3,355 |
Provision for credit losses 1 |  |  | 1,197 | 156 |  |  |  |  |
Total loans |  |  |  |  |  |  | 26,960 |  |
Commercial Portfolio Segment | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 2,314 |  |  |
Total loans |  |  |  |  |  | (110) |  |  |
Commercial Portfolio Segment | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 3,511 |  | 3,511 |  |  |  |  |  |
Total loans |  |  |  |  |  | 26,850 |  |  |
Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 188 |
Provision for credit losses 1 |  |  | 96 | 18 |  |  |  |  |
Total loans |  |  |  |  |  |  | 1,711 |  |
Losses Charged Off |  |  | (6,965) |  |  |  |  |  |
Commercial Portfolio Segment | Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 110 |  |  |
Total loans |  |  |  |  |  | (120) |  |  |
Commercial Portfolio Segment | Commercial and industrial | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 206 |  | 206 |  |  |  |  |  |
Total loans |  |  |  |  |  | 1,591 |  |  |
Commercial Portfolio Segment | Owner-occupied commercial real estate |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 8 |
Provision for credit losses 1 |  |  | 9 | 1 |  |  |  |  |
Total loans |  |  |  |  |  |  | 651 |  |
Commercial Portfolio Segment | Owner-occupied commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 0 |  |  |
Total loans |  |  |  |  |  | 62 |  |  |
Commercial Portfolio Segment | Owner-occupied commercial real estate | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 9 |  | 9 |  |  |  |  |  |
Total loans |  |  |  |  |  | 713 |  |  |
Commercial Portfolio Segment | Investor commercial real estate |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 20 |
Provision for credit losses 1 |  |  | 8 | (3) |  |  |  |  |
Total loans |  |  |  |  |  |  | 1,099 |  |
Losses Charged Off |  |  | (591) |  |  |  |  |  |
Commercial Portfolio Segment | Investor commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 9 |  |  |
Total loans |  |  |  |  |  | (191) |  |  |
Commercial Portfolio Segment | Investor commercial real estate | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 17 |  | 17 |  |  |  |  |  |
Total loans |  |  |  |  |  | 908 |  |  |
Commercial Portfolio Segment | Construction |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 2,897 |
Provision for credit losses 1 |  |  | 696 | (8) |  |  |  |  |
Total loans |  |  |  |  |  |  | 2,074 |  |
Commercial Portfolio Segment | Construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 2,193 |  |  |
Total loans |  |  |  |  |  | (435) |  |  |
Commercial Portfolio Segment | Construction | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 2,889 |  | 2,889 |  |  |  |  |  |
Total loans |  |  |  |  |  | 1,639 |  |  |
Commercial Portfolio Segment | Healthcare finance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 0 |
Provision for credit losses 1 |  |  | (2) | 0 |  |  |  |  |
Total loans |  |  |  |  |  |  | 2,997 |  |
Losses Charged Off |  |  | (25) |  |  |  |  |  |
Commercial Portfolio Segment | Healthcare finance | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 2 |  |  |
Total loans |  |  |  |  |  | 1,034 |  |  |
Commercial Portfolio Segment | Healthcare finance | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 0 |  | 0 |  |  |  |  |  |
Total loans |  |  |  |  |  | 4,031 |  |  |
Commercial Portfolio Segment | Single tenant lease financing |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  |  | 10,519 |  |
Commercial Portfolio Segment | Single tenant lease financing | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (346) |  |  |
Commercial Portfolio Segment | Single tenant lease financing | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 10,173 |  |  |
Commercial Portfolio Segment | Public finance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  |  | 1,753 |  |
Commercial Portfolio Segment | Public finance | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (135) |  |  |
Commercial Portfolio Segment | Public finance | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 1,618 |  |  |
Commercial Portfolio Segment | Small business lending |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 242 |
Provision for credit losses 1 |  |  | 390 | 148 |  |  |  |  |
Total loans |  |  |  |  |  |  | 2,168 |  |
Losses Charged Off |  |  | (2,169) |  |  |  |  |  |
Commercial Portfolio Segment | Small business lending | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 0 |  |  |
Total loans |  |  |  |  |  | 334 |  |  |
Commercial Portfolio Segment | Small business lending | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 390 |  | 390 |  |  |  |  |  |
Total loans |  |  |  |  |  | 2,502 |  |  |
Commercial Portfolio Segment | Franchise finance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  |  | 3,988 |  |
Losses Charged Off |  |  | (331) |  |  |  |  |  |
Commercial Portfolio Segment | Franchise finance | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | (313) |  |  |
Commercial Portfolio Segment | Franchise finance | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Total loans |  |  |  |  |  | 3,675 |  |  |
Consumer Portfolio |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 136 |
Provision for credit losses 1 |  |  | (99) | (45) |  |  |  |  |
Total loans |  |  |  |  |  |  | 4,777 |  |
Consumer Portfolio | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 190 |  |  |
Total loans |  |  |  |  |  | 3,072 |  |  |
Consumer Portfolio | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 91 |  | 91 |  |  |  |  |  |
Total loans |  |  |  |  |  | 7,849 |  |  |
Consumer Portfolio | Residential mortgage |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 59 |
Provision for credit losses 1 |  |  | (102) | (34) |  |  |  |  |
Total loans |  |  |  |  |  |  | 1,559 |  |
Losses Charged Off |  |  | (56) |  |  |  |  |  |
Consumer Portfolio | Residential mortgage | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 127 |  |  |
Total loans |  |  |  |  |  | 406 |  |  |
Consumer Portfolio | Residential mortgage | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 25 |  | 25 |  |  |  |  |  |
Total loans |  |  |  |  |  | 1,965 |  |  |
Consumer Portfolio | Home equity |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | 63 |
Provision for credit losses 1 |  |  | 2 | (9) |  |  |  |  |
Total loans |  |  |  |  |  |  | 69 |  |
Consumer Portfolio | Home equity | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 52 |  |  |
Total loans |  |  |  |  |  | 133 |  |  |
Consumer Portfolio | Home equity | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | 54 |  | 54 |  |  |  |  |  |
Total loans |  |  |  |  |  | 202 |  |  |
Consumer Portfolio | Other consumer loans |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  |  | 0 | $ 14 |
Provision for credit losses 1 |  |  | 1 | $ (2) |  |  |  |  |
Total loans |  |  |  |  |  |  | $ 3,149 |  |
Losses Charged Off |  |  | (502) |  |  |  |  |  |
Consumer Portfolio | Other consumer loans | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures |  |  |  |  |  | 11 |  |  |
Total loans |  |  |  |  |  | 2,533 |  |  |
Consumer Portfolio | Other consumer loans | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |
Liability for off-balance sheet credit exposures | $ 12 |  | $ 12 |  |  |  |  |  |
Total loans |  |  |  |  |  | $ 5,682 |  |  |

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