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v3.25.1

BORROWINGS (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2006 | Mar. 31, 2025 | Jan. 02, 2025 | Dec. 31, 2024 | Dec. 31, 2006
Debt Instrument [Line Items] |  |  |  |  |
Repurchase Agreements |  | $ 242,436 |  | $ 175,621 |
Total short-term borrowings |  | 567,436 |  | 500,621 |
Subordinated Debt |  | 61,290 |  | 44,331 | $ 44,300
Northway Financial, Inc "NFI" |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repurchase Agreements |  |  | $ 65,500 |  |
Subordinated Debt |  | $ 20,600 |  |  |
Junior Subordinated Debt | Subsidiary One |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 6.16% |  |  |
Long-term Debt |  | $ 36,083 |  | 36,083 |
Proceeds from Issuance of Subordinated Long-Term Debt |  | $ 10,000 |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.60% |  |  |
Junior Subordinated Debt | Subsidiary Two |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 6.05% |  |  |
Long-term Debt |  | $ 8,248 |  | 8,248 |
Proceeds from Issuance of Subordinated Long-Term Debt | $ 10,000 |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.49% |  |  |
Junior Subordinated Debt | Subsidiary Three |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt |  | $ 8,479 |  | 0 |
Junior Subordinated Debt | Subsidiary Four |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt |  | 8,480 |  | 0 |
Subordinated Debt and Junior Subordinated Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt |  | 61,290 |  | 44,331 |
Short-term Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total short-term borrowings |  | 567,436 |  | 500,621 |
Short-term Debt [Member] | Customer Repurchase Agreements |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repurchase Agreements |  | 242,436 |  | 175,621 |
Short-term Debt [Member] | Customer Repurchase Agreements | Northway Financial, Inc "NFI" |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repurchase Agreements |  | 65,500 |  |  |
Short-term Debt [Member] | FHLBB and Correspondent Bank Overnight Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
FHLBB and Correspondent Bank Overnight Borrowings |  | $ 325,000 |  | $ 325,000 |

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