v3.26.3
Unaudited Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Preferred stock:
Common stock:
Additional paid-in capital:
Retained earnings:
Accumulated other comprehensive income (loss):
Treasury stock:
Beginning of period at Dec. 31, 2024   $ 200,000 $ 211,219 $ 557,042 $ 3,139,489 $ (336,845) $ (650,829)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of preferred stock   0          
Dividend reinvestment plan     37 1,514      
Stock purchase and compensation plans     621 25,869      
Net income (loss) $ 311,179       311,179    
Dividends to preferred stockholders         (6,900)    
Dividends to common stockholders         (69,863)    
Other comprehensive income (loss) 169,529         169,529  
Acquisition of treasury stock - share repurchase authorization             (55,896)
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans             (6,204)
End of period at Sep. 30, 2025 $ 3,489,962 $ 200,000 $ 211,877 584,425 3,373,905 (167,316) (712,929)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Dividends declared per preferred share (in dollars per share) $ 862.50            
Dividends declared per common share (in dollars per share) $ 1.14            
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2024   8,000          
Preferred stock, shares outstanding:              
Issuance of preferred stock (in shares)   0          
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2025   8,000          
Common stock, shares outstanding, beginning of period (in shares) at Dec. 31, 2024     60,847,896        
Common stock, shares outstanding:              
Dividend reinvestment plan (in shares)     18,690        
Stock purchase and compensation plan (in shares)     310,626        
Acquisition of treasury stock - share repurchase authorization (in shares)     (698,312)        
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans (in shares)     (72,710)        
Common stock, shares outstanding, end of period (in shares) at Sep. 30, 2025     60,406,190        
Beginning of period at Jun. 30, 2025   $ 200,000 $ 211,832 580,432 3,284,044 (230,642) (676,287)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of preferred stock   0          
Dividend reinvestment plan     13 496      
Stock purchase and compensation plans     32 3,497      
Net income (loss) $ 115,340       115,340    
Dividends to preferred stockholders         (2,300)    
Dividends to common stockholders         (23,179)    
Other comprehensive income (loss) 63,326         63,326  
Acquisition of treasury stock - share repurchase authorization             (36,475)
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans             (167)
End of period at Sep. 30, 2025 $ 3,489,962 $ 200,000 $ 211,877 584,425 3,373,905 (167,316) (712,929)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Dividends declared per preferred share (in dollars per share) $ 287.50            
Dividends declared per common share (in dollars per share) $ 0.38            
Preferred stock, shares outstanding, beginning balance (in shares) at Jun. 30, 2025   8,000          
Preferred stock, shares outstanding:              
Issuance of preferred stock (in shares)   0          
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2025   8,000          
Common stock, shares outstanding, beginning of period (in shares) at Jun. 30, 2025     60,849,553        
Common stock, shares outstanding:              
Dividend reinvestment plan (in shares)     6,510        
Stock purchase and compensation plan (in shares)     16,209        
Acquisition of treasury stock - share repurchase authorization (in shares)     (464,701)        
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans (in shares)     (1,381)        
Common stock, shares outstanding, end of period (in shares) at Sep. 30, 2025     60,406,190        
Beginning of period at Dec. 31, 2025 $ 3,608,975 $ 200,000 $ 212,013 591,272 3,500,774 (151,660) (743,424)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of preferred stock   0          
Dividend reinvestment plan     39 1,662      
Stock purchase and compensation plans     515 26,186      
Net income (loss) 355,713       355,713    
Dividends to preferred stockholders         (6,900)    
Dividends to common stockholders         (77,334)    
Other comprehensive income (loss) (340,127)         (340,127)  
Acquisition of treasury stock - share repurchase authorization (116,900)           (117,862)
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans             (5,142)
End of period at Sep. 30, 2026 $ 3,445,725 $ 200,000 $ 212,567 619,120 3,772,253 (491,787) (866,428)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Dividends declared per preferred share (in dollars per share) $ 862.50            
Dividends declared per common share (in dollars per share) $ 1.29            
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2025   8,000          
Preferred stock, shares outstanding:              
Issuance of preferred stock (in shares)   0          
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2026   8,000          
Common stock, shares outstanding, beginning of period (in shares) at Dec. 31, 2025     60,076,453        
Common stock, shares outstanding:              
Dividend reinvestment plan (in shares)     19,548        
Stock purchase and compensation plan (in shares)     257,431        
Acquisition of treasury stock - share repurchase authorization (in shares) (1,300,663)   (1,300,663)        
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans (in shares)     (57,316)        
Common stock, shares outstanding, end of period (in shares) at Sep. 30, 2026     58,995,453        
Beginning of period at Jun. 30, 2026   $ 200,000 $ 212,538 614,724 3,671,632 (225,078) (810,829)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of preferred stock   0          
Dividend reinvestment plan     12 552      
Stock purchase and compensation plans     17 3,844      
Net income (loss) $ 128,652       128,652    
Dividends to preferred stockholders         (2,300)    
Dividends to common stockholders         (25,731)    
Other comprehensive income (loss) (266,709)         (266,709)  
Acquisition of treasury stock - share repurchase authorization             (55,546)
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans             (53)
End of period at Sep. 30, 2026 $ 3,445,725 $ 200,000 $ 212,567 $ 619,120 $ 3,772,253 $ (491,787) $ (866,428)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Dividends declared per preferred share (in dollars per share) $ 287.50            
Dividends declared per common share (in dollars per share) $ 0.43            
Preferred stock, shares outstanding, beginning balance (in shares) at Jun. 30, 2026   8,000          
Preferred stock, shares outstanding:              
Issuance of preferred stock (in shares)   0          
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2026   8,000          
Common stock, shares outstanding, beginning of period (in shares) at Jun. 30, 2026     59,568,835        
Common stock, shares outstanding:              
Dividend reinvestment plan (in shares)     6,153        
Stock purchase and compensation plan (in shares)     8,257        
Acquisition of treasury stock - share repurchase authorization (in shares)     (587,229)        
Acquisition of treasury stock - shares acquired related to employee share-based compensation plans (in shares)     (563)        
Common stock, shares outstanding, end of period (in shares) at Sep. 30, 2026     58,995,453