GOODWILL AND INTANGIBLE ASSETS - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 178,829	$ 178,829
Accumulated Amortization	108,068	90,880
Core deposit premiums
Finite-Lived Intangible Assets [Line Items]
Gross Amount	86,454	86,454
Accumulated Amortization	66,093	59,045
Referral relationships
Finite-Lived Intangible Assets [Line Items]
Gross Amount	88,651	88,651
Accumulated Amortization	39,214	29,790
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Amount	2,734	2,734
Accumulated Amortization	2,065	1,581
Patent
Finite-Lived Intangible Assets [Line Items]
Gross Amount	420	420
Accumulated Amortization	126	84
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Amount	570	570
Accumulated Amortization	$ 570	$ 380