DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Effect of Derivative Instruments on the Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Derivative [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivative	$ (6,241)	$ 1,440	$ (8,333)	$ 4,315
Derivatives designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in OCI Included Component	(8,014)	32	(11,883)	1,610
Amount of Gain (Loss) Recognized in OCI Excluded Component	1,773	1,408	3,550	2,705
Amount of Gain (Loss) Recognized in OCI on Derivative	(6,241)	1,440	(8,333)	4,315
Derivatives not designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income	2,688	1,160	4,587	2,191
Interest rate options \| Derivatives designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in OCI Included Component	(8,014)	32	(11,883)	1,610
Amount of Gain (Loss) Recognized in OCI Excluded Component	1,773	1,408	3,550	2,705
Amount of Gain (Loss) Recognized in OCI on Derivative	(6,241)	1,440	(8,333)	4,315
Interest rate options \| Derivatives not designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income	2,682	1,331	4,202	2,711
Interest rate lock commitments with Clients \| Derivatives not designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income	(88)	241	(125)	656
Forward sale commitments \| Derivatives not designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income	145	(391)	487	(759)
FX forwards \| Derivatives not designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income	(48)	36	26	74
Risk participation agreements \| Derivatives not designated as hedging instruments:
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income	$ (3)	$ (57)	$ (3)	$ (491)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
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-Name Accounting Standards Codification
-Section 50
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
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-Paragraph 5A
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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