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Loans - Recorded Investments in Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | --- | ---
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | $ 3,427,463 |  |  |
Ending balance: individually evaluated for impairment |  |  | 25,144 |  |  |
Total commercial and consumer loans | $ 3,694,728 |  | 3,452,607 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 30,983 |  |  |
Ending balance: individually evaluated for impairment |  |  | 754 |  |  |
Total loans | 36,452 | $ 36,058 | 31,737 | $ 29,866 | $ 29,153 | $ 27,841
Commercial and industrial |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 116,307 |  |  |
Ending balance: individually evaluated for impairment |  |  | 9,801 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 1,660 |  |  |
Ending balance: individually evaluated for impairment |  |  | 51 |  |  |
Total loans | 2,110 | 1,849 | 1,711 | 1,727 | 2,026 | 1,891
Owner-occupied commercial real estate |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 60,266 |  |  |
Ending balance: individually evaluated for impairment |  |  | 1,570 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 651 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 858 | 789 | 651 | 616 | 703 | 742
Investor commercial real estate |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 93,121 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 1,099 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 1,313 | 1,416 | 1,099 | 1,074 | 621 | 328
Construction |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 181,966 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 2,074 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 2,103 | 1,940 | 2,074 | 1,590 | 1,707 | 1,612
Single tenant lease financing |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 939,240 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 10,519 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 8,365 | 9,970 | 10,519 | 10,027 | 9,712 | 10,385
Public finance |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 621,032 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 1,753 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 1,411 | 1,509 | 1,753 | 1,789 | 1,850 | 1,776
Healthcare finance |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 272,461 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 2,997 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 2,227 | 2,421 | 2,997 | 3,612 | 4,762 | 5,940
Small business lending |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 113,699 |  |  |
Ending balance: individually evaluated for impairment |  |  | 10,051 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 1,465 |  |  |
Ending balance: individually evaluated for impairment |  |  | 703 |  |  |
Total loans | 4,221 | 2,618 | 2,168 | 2,046 | 1,956 | 1,387
Franchise finance |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 299,835 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 3,988 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 5,247 | 4,484 | 3,988 | 3,015 | 2,281 | 1,083
Residential mortgage |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 380,272 |  |  |
Ending balance: individually evaluated for impairment |  |  | 3,676 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 1,559 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 2,280 | 2,550 | 1,559 | 1,370 | 1,138 | 643
Home equity |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 24,683 |  |  |
Ending balance: individually evaluated for impairment |  |  | 29 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 69 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 192 | 224 | 69 | 62 | 54 | 64
Other consumer loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 324,581 |  |  |
Ending balance: individually evaluated for impairment |  |  | 17 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  | 3,149 |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 |  |  |
Total loans | 6,125 | $ 6,288 | 3,149 | 2,938 | $ 2,343 | 1,990
Tax Refund Advance Loans |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  |  | $ 0 |  | $ 0
Commercial Portfolio Segment |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 2,908,232 |  | 2,719,349 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 26,960 |  |  |
Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 114,265 |  | 126,108 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 1,711 |  |  |
Commercial Portfolio Segment | Owner-occupied commercial real estate |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 58,486 |  | 61,836 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 651 |  |  |
Commercial Portfolio Segment | Investor commercial real estate |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 129,831 |  | 93,121 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 1,099 |  |  |
Commercial Portfolio Segment | Construction |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 252,105 |  | 181,966 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 2,074 |  |  |
Commercial Portfolio Segment | Single tenant lease financing |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 933,873 |  | 939,240 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 10,519 |  |  |
Commercial Portfolio Segment | Public finance |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 535,960 |  | 621,032 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 1,753 |  |  |
Commercial Portfolio Segment | Healthcare finance |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 235,622 |  | 272,461 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 2,997 |  |  |
Commercial Portfolio Segment | Small business lending |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 192,996 |  | 123,750 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 2,168 |  |  |
Commercial Portfolio Segment | Franchise finance |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 455,094 |  | 299,835 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 3,988 |  |  |
Consumer Portfolio |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 786,496 |  | 733,258 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 4,777 |  |  |
Consumer Portfolio | Residential mortgage |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 393,501 |  | 383,948 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 1,559 |  |  |
Consumer Portfolio | Home equity |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | 23,544 |  | 24,712 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | 69 |  |  |
Consumer Portfolio | Other consumer loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total commercial and consumer loans | $ 369,451 |  | 324,598 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Total loans |  |  | $ 3,149 |  |  |

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