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DERIVATIVES AND HEDGING ACTIVITIES - Agreements with Derivative Counterparties (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Loan level swaps
DERIVATIVES AND HEDGING ACTIVITIES
Derivative counterparties collateral	$ 2,600,000	$ 9,900,000
Commercial lending swaps
DERIVATIVES AND HEDGING ACTIVITIES
Derivative counterparties collateral	4,900,000	8,100,000
Interest rate swaps
DERIVATIVES AND HEDGING ACTIVITIES
Derivative counterparties collateral	7,200,000	17,700,000
Net asset position | Balance sheet hedge
DERIVATIVES AND HEDGING ACTIVITIES
Termination value of derivatives with derivative dealer counterparties	$ 25,000	$ 79,000

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- Definition

Represents the monetary amount of derivative counterparties collateral, as of the indicated date.

+ References

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- Definition

Represents the monetary amount of termination value of derivatives with derivative dealer counterparties, as of the indicated date.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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