v3.26.1
Securities - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Amortized Cost, Due in one year or less $ 23,846  
Amortized Cost, Due after one year through five years 64,094  
Amortized Cost, Due after five years through ten years 63,751  
Amortized Cost, Due after ten years 247,867  
Amortized Cost, Mortgage-backed securities 329,164  
Amortized Cost, Total securities available for sale [1] 728,722 $ 726,941
Fair Value, Due in one year or less 23,781  
Fair Value, Due after one year through five years 61,892  
Fair Value, Due after five years through ten years 63,333  
Fair Value, Due after ten years 225,914  
Fair Value, Mortgage-backed securities 304,817  
Fair Value, Total securities available for sale [1] $ 679,737 $ 681,908
[1] Excludes accrued interest receivable on securities of $3,815 and $4,371 at March 31, 2026 and December 31, 2025, respectively, that is recorded in Accrued interest receivable on the Consolidated Balance Sheets.