LONG-TERM SUBORDINATED NOTES - Schedule of Outstanding Fixed to Floating Rate Long-Term Subordinated Notes (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024	Apr. 26, 2007
Debt Instrument [Line Items]
Consolidated Balance Sheet Amount	$ 218,000,000	$ 218,000,000
Subordinated Notes 6.60% \| Long Term Subordinated Debt
Debt Instrument [Line Items]
Original Principal Amount			$ 400,000,000
Consolidated Balance Sheet Amount	218,000,000	218,000,000
Fair Value	$ 217,000,000	$ 215,000,000

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details

- 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.

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+ Details