COMMITMENTS, CONTINGENCIES AND OFF-BALANCE-SHEET ACTIVITIES - NARRATIVE (Details) $ in Thousands	Jun. 30, 2025 USD ($) lawsuit	Jun. 30, 2024 USD ($)
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Available securities used as collateral for securities loaned	$ 139,426	$ 74,177
Available securities used as collateral for bank loans	146,700
Available securities used as collateral for OCC margin requirements	52,000
Available securities used as collateral for OCC margin requirements	$ 29,500
Number of pending punitive class action lawsuits \| lawsuit	3
Provision for credit losses - unfunded lending commitments \| Low Income Housing Tax Credits
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to contribute capital	$ 47,400

Securities Loaned, Available Securities Used As Collateral, Bank Loans

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Securities Loaned, Available Securities Used As Collateral, OCC Margin Requirements

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Securities Loaned, Collateral, OCC Margin Requirements

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The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

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

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Number of pending claims pertaining to a loss contingency.

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Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities loaned.

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