XML 49 R39.htm IDEA: XBRL DOCUMENT v3.22.2.2
Securities - Schedule of Book Values and Fair Values of Investment Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Amortized Cost    
Due within one year $ 25,086  
Due after one year but within five years 176,842  
Due after five years but within ten years 87,706  
Due after ten years 1,000  
Mortgage-backed securities 2,512,221  
Amortized Cost 2,802,855 $ 2,662,481
Fair Value    
Due within one year 25,002  
Due after one year but within five years 171,210  
Due after five years but within ten years 72,324  
Due after ten years 910  
Mortgage-backed securities 2,068,769  
Total securities 2,338,215 2,630,414
Amortized Cost    
Due within one year 435  
Due after one year but within five years 997  
Due after five years but within ten years 58,625  
Due after ten years 468,044  
Mortgage-backed securities 16,092  
Amortized Cost 544,193 513,825
Fair Value    
Due within one year 435  
Due after one year but within five years 869  
Due after five years but within ten years 47,494  
Due after ten years 354,910  
Mortgage-backed securities 14,891  
Total securities $ 418,599 $ 511,699