Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS (Schedule of Information Concerning Intangible Assets with Finite Life) (Details)

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GOODWILL AND INTANGIBLE ASSETS (Schedule of Information Concerning Intangible Assets with Finite Life) (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Apr. 01, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]      
Goodwill, Gross Carrying Value $ 925,211   $ 925,211
Goodwill 1,207,484   925,211
Accumulated Amortization, Goodwill 0   0
Total estimated amortization expense 95,980    
American National      
Finite-Lived Intangible Assets [Line Items]      
Goodwill 282,273 $ 282,273 0
Core Deposits [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value 85,491   85,491
Accumulated Amortization (75,698)   (68,599)
Total estimated amortization expense 84,203   16,892
Core Deposits [Member] | American National      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value 74,410   0
Other Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value 3,977   3,977
Accumulated Amortization (2,477)   (1,686)
Total estimated amortization expense 11,777   2,291
Other Intangible Assets [Member] | American National      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value $ 10,277   $ 0