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Consolidated Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Total
Series A
Series B
Preferred Stock
Common Stock
Capital Surplus
Retained Earnings
Retained Earnings
Series A
Retained Earnings
Series B
Accumulated Other Comprehensive (Loss) Income
Treasury Stock
Beginning Balance at Dec. 31, 2023 $ 3,100,419       $ 55,057 $ 1,134,363 $ 2,810,824     $ (556,935) $ (342,890)
Total comprehensive income 482,325           321,246     161,079  
Common dividends (57,453)           (57,453)        
Purchase of treasury stock (7,738)                   (7,738)
Issuances of equity awards, net of forfeitures 703         (11,220)         11,923
Recognition of equity-based compensation 14,886         14,886          
Sale of treasury stock 421         237         184
Exercise of stock options 3,275         1,433         1,842
Common stock issuance costs (1,349)         (1,349)          
Ending Balance at Sep. 30, 2024 3,535,489       55,057 1,138,350 3,074,617     (395,856) (336,679)
Beginning Balance at Jun. 30, 2024 3,227,347       55,057 1,132,301 2,984,152     (605,634) (338,529)
Total comprehensive income 319,421           109,643     209,778  
Common dividends (19,178)           (19,178)        
Purchase of treasury stock (201)                   (201)
Issuances of equity awards, net of forfeitures           (256)         256
Recognition of equity-based compensation 4,846         4,846          
Sale of treasury stock 189         112         77
Exercise of stock options 3,097         (1,379)         1,718
Common stock issuance costs (32)         (32)          
Ending Balance at Sep. 30, 2024 3,535,489       55,057 1,138,350 3,074,617     (395,856) (336,679)
Beginning Balance at Dec. 31, 2024 3,466,541       55,057 1,145,638 3,174,948     (573,050) (336,052)
Total comprehensive income 735,251           487,043     248,208  
Preferred dividends   $ (4,025) $ (7,944)         $ (4,025) $ (7,944)    
Common dividends (90,510)           (90,510)        
Purchase of treasury stock (17,549)                   (17,549)
Issuances of equity awards, net of forfeitures 800         (18,663)         19,463
Recognition of equity-based compensation 48,021         48,021          
Sale of treasury stock 526         265         261
Exercise of stock options 416         115         301
Common stock issuance 235,141         67,056         168,085
Preferred stock issuance, net of issuance costs 294,066     $ 294,066              
Preferred stock redemption (115,000)     (110,705)   (4,500) 205        
Stock issuance for acquisition, net of issuance costs 2,898,216     110,705 23,609 2,763,902          
Ending Balance at Sep. 30, 2025 7,443,950     294,066 78,666 4,001,834 3,559,717     (324,842) (165,491)
Beginning Balance at Jun. 30, 2025 7,285,765     404,767 78,666 4,000,973 3,409,706     (442,047) (166,300)
Total comprehensive income 305,521           188,316     117,205  
Preferred dividends (7,944)           (7,944)        
Common dividends (30,566)           (30,566)        
Purchase of treasury stock (1,825)                   (1,825)
Issuances of equity awards, net of forfeitures           (2,461)         2,461
Recognition of equity-based compensation 7,723         7,723          
Sale of treasury stock 214         96         118
Exercise of stock options 58         3         55
Preferred stock issuance, net of issuance costs 4     4              
Preferred stock redemption (115,000)     (110,705)   (4,500) 205        
Ending Balance at Sep. 30, 2025 $ 7,443,950     $ 294,066 $ 78,666 $ 4,001,834 $ 3,559,717     $ (324,842) $ (165,491)