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Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2021
Cash dividends declared on common stock (in dollars per share) $ 0.56 $ 0.56 $ 0.56  
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture $ 1 $ 0 $ 1  
Stockholders' Equity Attributable to Parent 2,283,268 2,134,505 2,121,243  
Proceeds from sale of securities 1,133,470 276,252 0  
Common Stock [Member]        
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture 1   1  
Stockholders' Equity Attributable to Parent 146 138 138  
Additional Paid-in Capital [Member]        
Stockholders' Equity Attributable to Parent 1,523,702 1,445,373 1,439,963  
Retained Earnings [Member]        
Stockholders' Equity Attributable to Parent $ 1,172,394 $ 1,181,533 1,150,547  
ASU 2022-02        
CECL impact   ASU 2022-02    
ASU 2022-02 | Retained Earnings [Member]        
Stockholders' Equity Attributable to Parent     (1,605)  
ASU 2022-02, Tax Impact        
CECL impact   Accounting Standards Update 2023-02, Tax Impact [Member]    
ASU 2022-02, Tax Impact | Retained Earnings [Member]        
Stockholders' Equity Attributable to Parent     $ 472  
ASU 2020-06        
CECL impact       ASU 2020-06
ASU 2020-06, Tax Impact        
CECL impact       ASU 2020-06, Tax Impact