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Loans and Allowance for Credit Losses - Loans - Schedule of ACL Loans by Portfolio Segment (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 30, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | $ 37,615 | $ 35,288 | $ 35,514 | $ 34,187 | $ 34,187
PCD Loans |  | 0 |  | 343 |  |
Charge offs |  | (131) | (364) | (1,055) | (476) |
Recoveries |  | 40 | 17 | 156 | 67 |
Net Loans (Charged off) Recovered |  | (91) | (347) | (899) | (409) |
Provision/(Benefit) for credit losses |  | (187) | 621 | 2,379 | 1,784 |
Allowance for loan losses, ending balance |  | 37,337 | 35,562 | 37,337 | 35,562 | 35,514
William Penn Acquisition |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Provision expense | $ 2,300 |  |  |  |  |
Commercial real estate | CRE Nonowner Occupied |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 10,598 | 10,647 | 11,047 | 10,267 | 10,267
PCD Loans |  | 0 |  | 89 |  |
Charge offs |  | 0 | 0 | (691) | 0 | 0
Recoveries |  | 9 | 0 | 11 | 0 | 2
Net Loans (Charged off) Recovered |  | 9 | 0 | (680) | 0 |
Provision/(Benefit) for credit losses |  | (207) | 387 | (56) | 767 |
Allowance for loan losses, ending balance |  | 10,400 | 11,034 | 10,400 | 11,034 | 11,047
Commercial real estate | CRE Owner Occupied |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 6,430 | 5,830 | 5,243 | 5,646 | 5,646
PCD Loans |  | 0 |  | 100 |  |
Charge offs |  | 0 | 0 | 0 | 0 | 0
Recoveries |  | 0 | 0 | 0 | 4 | 4
Net Loans (Charged off) Recovered |  | 0 | 0 | 0 | 4 |
Provision/(Benefit) for credit losses |  | (18) | (607) | 1,069 | (427) |
Allowance for loan losses, ending balance |  | 6,412 | 5,223 | 6,412 | 5,223 | 5,243
Commercial real estate | Multifamily |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 1,978 | 3,209 | 3,432 | 2,202 | 2,202
PCD Loans |  | 0 |  | 31 |  |
Charge offs |  | 0 | 0 | 0 | 0 | 0
Recoveries |  | 0 | 0 | 0 | 0 | 0
Net Loans (Charged off) Recovered |  | 0 | 0 | 0 | 0 |
Provision/(Benefit) for credit losses |  | 171 | 349 | (1,314) | 1,356 |
Allowance for loan losses, ending balance |  | 2,149 | 3,558 | 2,149 | 3,558 | 3,432
Commercial real estate | Farmland |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 2,098 | 2,059 | 1,932 | 2,064 | 2,064
PCD Loans |  | 0 |  | 0 |  |
Charge offs |  | 0 | 0 | 0 | 0 | 0
Recoveries |  | 0 | 0 | 0 | 0 | 0
Net Loans (Charged off) Recovered |  | 0 | 0 | 0 | 0 |
Provision/(Benefit) for credit losses |  | (184) | (294) | (18) | (299) |
Allowance for loan losses, ending balance |  | 1,914 | 1,765 | 1,914 | 1,765 | 1,932
Commercial and industrial |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 8,102 | 6,934 | 7,122 | 7,131 | 7,131
PCD Loans |  | 0 |  | 36 |  |
Charge offs |  | (91) | (356) | (294) | (412) | (819)
Recoveries |  | 0 | 0 | 9 | 0 | 1
Net Loans (Charged off) Recovered |  | (91) | (356) | (285) | (412) |
Provision/(Benefit) for credit losses |  | 1,355 | 253 | 2,493 | 112 |
Allowance for loan losses, ending balance |  | 9,366 | 6,831 | 9,366 | 6,831 | 7,122
Construction | Residential Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 958 | 1,129 | 931 | 1,256 | 1,256
PCD Loans |  | 0 |  | 0 |  |
Charge offs |  | 0 | 0 | 0 | 0 | 0
Recoveries |  | 0 | 0 | 0 | 0 | 0
Net Loans (Charged off) Recovered |  | 0 | 0 | 0 | 0 |
Provision/(Benefit) for credit losses |  | (403) | (102) | (376) | (229) |
Allowance for loan losses, ending balance |  | 555 | 1,027 | 555 | 1,027 | 931
Construction | Other Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 2,436 | 2,013 | 2,131 | 2,146 | 2,146
PCD Loans |  | 0 |  | 0 |  |
Charge offs |  | 0 | 0 | 0 | 0 | 0
Recoveries |  | 0 | 0 | 0 | 0 | 0
Net Loans (Charged off) Recovered |  | 0 | 0 | 0 | 0 |
Provision/(Benefit) for credit losses |  | (1,283) | 426 | (978) | 293 |
Allowance for loan losses, ending balance |  | 1,153 | 2,439 | 1,153 | 2,439 | 2,131
Residential mortgage | 1-4 Family 1st Lien |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 2,196 | 1,349 | 1,503 | 1,207 | 1,207
PCD Loans |  | 0 |  | 37 |  |
Charge offs |  | 0 | 0 | 0 | (7) | (7)
Recoveries |  | 3 | 2 | 88 | 9 | 16
Net Loans (Charged off) Recovered |  | 3 | 2 | 88 | 2 |
Provision/(Benefit) for credit losses |  | 292 | 156 | 863 | 298 |
Allowance for loan losses, ending balance |  | 2,491 | 1,507 | 2,491 | 1,507 | 1,503
Residential mortgage | 1-4 Family Rental |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 2,258 | 1,704 | 1,756 | 1,859 | 1,859
PCD Loans |  | 0 |  | 47 |  |
Charge offs |  | 0 | 0 | 0 | (2) | (2)
Recoveries |  | 0 | 0 | 0 | 22 | 22
Net Loans (Charged off) Recovered |  | 0 | 0 | 0 | 20 |
Provision/(Benefit) for credit losses |  | 52 | 68 | 507 | (107) |
Allowance for loan losses, ending balance |  | 2,310 | 1,772 | 2,310 | 1,772 | 1,756
Residential mortgage | HELOC and Junior Liens |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 520 | 397 | 392 | 389 | 389
PCD Loans |  | 0 |  | 3 |  |
Charge offs |  | 0 | 0 | 0 | (21) | (21)
Recoveries |  | 0 | 0 | 0 | 0 | 0
Net Loans (Charged off) Recovered |  | 0 | 0 | 0 | (21) |
Provision/(Benefit) for credit losses |  | 44 | (9) | 169 | 20 |
Allowance for loan losses, ending balance |  | 564 | 388 | 564 | 388 | 392
Consumer |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |
Allowance for loan losses, beginning balance |  | 41 | 17 | 25 | 20 | 20
PCD Loans |  | 0 |  | 0 |  |
Charge offs |  | (40) | (8) | (70) | (34) | (52)
Recoveries |  | 28 | 15 | 48 | 32 | 39
Net Loans (Charged off) Recovered |  | (12) | 7 | (22) | (2) |
Provision/(Benefit) for credit losses |  | (6) | (6) | 20 | 0 |
Allowance for loan losses, ending balance |  | $ 23 | $ 18 | $ 23 | $ 18 | $ 25

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