v3.25.2
Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
Statement of Stockholders' Equity [Abstract]                
Cash dividends declared (in dollars per share) $ 0.79 $ 0.72 $ 1.58 $ 1.43        
Exercise of stock options (in shares)   3,700   5,009        
Purchase of treasury shares (in shares) 174,894 142,091 255,494 178,529        
Adjustment to shareholders' equity $ 764,215 $ 686,740 $ 764,215 $ 686,740 $ 756,336 $ 730,664 $ 682,231 $ 677,066
Net income available to common shareholders 33,387 29,115 63,729 58,638        
Other comprehensive income (loss), net of tax 4,453 (714) 20,221 (11,779)        
Dividends, Common Stock, Cash 11,318 10,590 23,011 21,388        
Stock-based compensation expense 786 707 1,505 1,807        
Restricted awards granted 0 0 0 0        
Exercise of stock options 234     292        
Purchase of treasury shares $ (19,429) $ (14,243) $ (28,893) $ (17,896)