XML 70 R55.htm IDEA: XBRL DOCUMENT v3.23.2
Investment Securities - Amortized cost and fair value by contractual maturity (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Amortized Cost    
Due in one year or less $ 50,000  
Due after one year through five years 51,034  
Due after five years through ten years 369,168  
Due after ten years 2,114,953  
Total 2,585,155 $ 2,683,241
Fair Value    
Due in one year or less 48,185  
Due after one year through five years 45,228  
Due after five years through ten years 320,965  
Due after ten years 1,730,136  
Fair Value 2,144,514 2,250,168
Amortized Cost    
Due in one year or less 231,970  
Due after one year through five years 301,127  
Due after five years through ten years 1,263,193  
Due after ten years 4,034,286  
Amortized Cost 5,830,576 6,216,141
Fair Value    
Due in one year or less 228,385  
Due after one year through five years 283,616  
Due after five years through ten years 1,075,431  
Due after ten years 3,361,902  
Fair Value $ 4,949,334 $ 5,326,822