v3.25.2
Investment Securities - Amortized cost and fair value by contractual maturity (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Amortized Cost            
Due after one year through five years $ 56,126     $ 56,126    
Due after five years through ten years 397,667     397,667    
Due after ten years 1,692,198     1,692,198    
Total 2,145,991     2,145,991   $ 2,254,670
Fair Value            
Due after one year through five years 52,172     52,172    
Due after five years through ten years 348,885     348,885    
Due after ten years 1,380,691     1,380,691    
Fair Value 1,781,748     1,781,748   1,834,527
Amortized Cost            
Due in one year or less 38,471     38,471    
Due after one year through five years 205,691     205,691    
Due after five years through ten years 694,006     694,006    
Due after ten years 5,488,534     5,488,534    
Amortized Cost 6,426,702     6,426,702   5,129,216
Fair Value            
Due in one year or less 38,295     38,295    
Due after one year through five years 203,072     203,072    
Due after five years through ten years 640,680     640,680    
Due after ten years 5,045,820     5,045,820    
Fair Value 5,927,867     5,927,867   $ 4,320,593
Information with respect to sales of held-to-maturity            
Proceeds from sales of investment securities held to maturity 0   $ 0 0 $ 0  
Information with respect to sales of available-for-sale securities            
Sale proceeds       2,874,110    
Gross realized gains       8,892    
Gross realized losses       (237,703)    
Net realized losses       (228,811)    
Sold securities $ 0 $ 1,800,000 $ 0   $ 0  
Realized gains or losses       0    
Sales of Securities Acquired from Independent            
Information with respect to sales of available-for-sale securities            
Sale proceeds       1,279,717    
Investment Securities Sales            
Information with respect to sales of available-for-sale securities            
Sale proceeds       1,594,393    
Gross realized gains       8,892    
Gross realized losses       (237,703)    
Net realized losses       $ (228,811)