v3.26.1
GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Accumulated Amortization $ (101,836) $ (99,529)
Net Intangible Assets 74,327  
Indefinite-lived Intangible Assets [Line Items]    
Gross Intangible Assets 179,063 184,208
Accumulated Amortization (101,836) (99,529)
Net Intangible Assets 77,227 84,679
Trade Names    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived trademark 2,900 2,900
Core deposits    
Intangible Asset, Finite-Lived [Line Items]    
Gross Intangible Assets 98,876 101,511
Accumulated Amortization (70,154) (67,845)
Net Intangible Assets $ 28,722 $ 33,666
Amortization Period 10 years 10 years
Indefinite-lived Intangible Assets [Line Items]    
Accumulated Amortization $ (70,154) $ (67,845)
Client relationships    
Intangible Asset, Finite-Lived [Line Items]    
Gross Intangible Assets 65,329 68,270
Accumulated Amortization (24,064) (24,620)
Net Intangible Assets 41,265 43,650
Indefinite-lived Intangible Assets [Line Items]    
Accumulated Amortization $ (24,064) $ (24,620)
Client relationships | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period 7 years 7 years
Client relationships | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period 15 years 15 years
Loan servicing rights    
Intangible Asset, Finite-Lived [Line Items]    
Gross Intangible Assets $ 11,958 $ 11,527
Accumulated Amortization (7,618) (7,064)
Net Intangible Assets 4,340 4,463
Valuation allowance, impairment loss (100) (400)
Indefinite-lived Intangible Assets [Line Items]    
Accumulated Amortization $ (7,618) $ (7,064)
Loan servicing rights | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period 10 years 10 years
Loan servicing rights | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period 25 years 25 years