Allowance for Credit Losses - Loans - Allowance for credit losses by loan portfolio segment (Details) - USD ($) |
1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | $ 14,060,000 | $ 12,896,000 | $ 13,206,000 | $ 14,060,000 | $ 12,896,000 | $ 14,060,000 | $ 13,128,000 | $ 13,812,000 | $ 13,912,000 |
| Charge-Offs | (2,800,000) | (63,000) | (2,977,000) | (317,000) | (3,081,000) | ||||
| Recoveries | 39,000 | 69,000 | 87,000 | 109,000 | |||||
| Provision (Recovery) | (286,000) | 3,156,000 | (2,000) | 3,120,000 | |||||
| Other commercial real estate (non-owner occupied) | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | 4,317,000 | 3,681,000 | 3,846,000 | 4,317,000 | 3,681,000 | 4,317,000 | 3,725,000 | 3,586,000 | 3,451,000 |
| Charge-Offs | (2,762,000) | (2,762,000) | |||||||
| Recoveries | 3,000 | 3,000 | 10,000 | 6,000 | |||||
| Provision (Recovery) | (168,000) | 3,490,000 | (54,000) | 3,622,000 | |||||
| Commercial Portfolio Segment | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Charge-Offs | (241,000) | (4,919,000) | |||||||
| Commercial Portfolio Segment | Commercial real estate (owner occupied) | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | 319,000 | 317,000 | 321,000 | 319,000 | 317,000 | 319,000 | 319,000 | 329,000 | 398,000 |
| Recoveries | 6,000 | 6,000 | 12,000 | 12,000 | |||||
| Provision (Recovery) | (10,000) | (16,000) | (14,000) | (91,000) | |||||
| Commercial Portfolio Segment | Commercial and industrial | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | 3,012,000 | 2,954,000 | 2,935,000 | 3,012,000 | 2,954,000 | 3,012,000 | 2,987,000 | 2,879,000 | 2,860,000 |
| Charge-Offs | (200,000) | (200,000) | (1,774,000) | ||||||
| Recoveries | 1,000 | 32,000 | 3,000 | 43,000 | |||||
| Provision (Recovery) | 18,000 | 301,000 | (36,000) | 309,000 | |||||
| Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | 3,516,000 | 3,152,000 | 3,286,000 | 3,516,000 | 3,152,000 | 3,516,000 | 3,248,000 | 3,817,000 | 3,695,000 |
| Charge-Offs | (241,000) | (241,000) | |||||||
| Provision (Recovery) | (134,000) | (301,000) | 145,000 | (179,000) | |||||
| Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | 1,446,000 | 1,220,000 | 1,257,000 | 1,446,000 | 1,220,000 | 1,446,000 | 1,403,000 | 1,619,000 | 1,478,000 |
| Provision (Recovery) | (37,000) | (173,000) | (183,000) | (32,000) | |||||
| Commercial Portfolio Segment | Other commercial real estate (non-owner occupied) | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Charge-Offs | (3,145,000) | ||||||||
| Residential mortgages | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | 310,000 | 368,000 | 372,000 | 310,000 | 368,000 | 310,000 | 296,000 | 391,000 | 839,000 |
| Recoveries | 3,000 | 1,000 | 19,000 | 2,000 | |||||
| Provision (Recovery) | (7,000) | (82,000) | 53,000 | (531,000) | |||||
| Consumer | |||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||||||
| Allowance for credit losses - Loans | $ 1,140,000 | 1,204,000 | $ 1,189,000 | 1,140,000 | 1,204,000 | 1,140,000 | 1,150,000 | $ 1,191,000 | $ 1,191,000 |
| Charge-Offs | (63,000) | (15,000) | (76,000) | (119,000) | $ (154,000) | ||||
| Recoveries | 26,000 | 27,000 | 43,000 | 46,000 | |||||
| Provision (Recovery) | $ 52,000 | $ (63,000) | $ 87,000 | $ 22,000 | |||||