Annual report [Section 13 and 15(d), not S-K Item 405]

PARENT COMPANY FINANCIAL INFORMATION (CONDENSED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (LOSS)) (Details)

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PARENT COMPANY FINANCIAL INFORMATION (CONDENSED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (LOSS)) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income:      
Interest and dividend income $ 1,821,487 $ 1,227,535 $ 954,450
Other operating income (loss) 39,501 13,653 38,854
Expenses:      
Other operating expenses 40,571 21,649 40,619
Income before income taxes and equity in undistributed net income from subsidiaries 336,991 259,794 239,901
Income tax benefit 63,276 50,663 38,083
Net Income (Loss) 273,715 209,131 201,818
Parent Company [Member]      
Income:      
Interest and dividend income 166 99 0
Dividends received from subsidiaries 125,000 132,750 122,000
Other operating income (loss) 13,303 (97) (1,136)
Total income 138,469 132,752 120,864
Expenses:      
Interest expense 44,029 21,791 19,511
Other operating expenses 29,021 19,550 12,479
Total expenses 73,050 41,341 31,990
Income before income taxes and equity in undistributed net income from subsidiaries 65,419 91,411 88,874
Income tax benefit (14,800) (547) (9,210)
Equity in undistributed net income from subsidiaries 193,496 117,173 103,734
Net Income (Loss) 273,715 209,131 201,818
Comprehensive income (loss) $ 377,314 $ 192,794 $ 276,755