DEBT SECURITIES - Schedule of Realized Gains and Losses on Debt Securities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Realized gains and losses on debt securities
Gross gains on debt securities	$ 0		$ 0		$ 9	$ 1
Gross (losses) on debt securities	(13)		(11)		(15,558)	(6,818)
Realized net gains (losses) on debt securities	$ (13)		$ (11)		$ (15,549)	$ (6,817)
Debt securities available for sale, sold		$ 205,600		$ 108,200
Pre-tax loss on debt securities		15,500		6,800
Debt securities available for sale sold, tax benefit		$ 4,100		$ 1,800

Debt Securities, Available-for-Sale, Realized Loss, Before Tax

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- Definition

Debt Securities, Available-For-Sale, Sold At Par Value, Tax Expense (Benefit)

+ References

No definition available.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with interest rate reset through auction process, sold at par value.

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No definition available.

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- Definition

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

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- Definition

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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