XML 52 R42.htm IDEA: XBRL DOCUMENT v3.23.3
Securities - Summary of Contractual Maturity Information for Securities Available for Sale (Detail) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]    
Due in 1 year or less, Amortized Cost $ 833,933  
Due after 1 year through 5 years, Amortized Cost 1,017,582  
Due after 5 years through 10 years, Amortized Cost 713,019  
Due after 10 years, Amortized Cost 508,751  
Total, Amortized Cost 3,073,285  
Mortgage-backed securities, Amortized Cost 4,175,240  
Amortized Cost 7,248,525 $ 7,777,950
Due in 1 year or less, Fair Value 821,161  
Due after 1 year through 5 years, Fair Value 966,945  
Due after 5 years through 10 years, Fair Value 649,262  
Due after 10 years, Fair Value 413,380  
Total, Fair Value 2,850,748  
Mortgage-backed securities, Fair Value 3,479,951  
Total securities available for sale, Fair Value $ 6,330,699 $ 7,006,347