v3.25.4
Summary of Significant Accounting Policies - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
Portfolio
Segment
TradingSecurities
Dec. 31, 2024
USD ($)
TradingSecurities
Dec. 31, 2023
USD ($)
Finite Lived Intangible Assets [Line Items]      
Maximum maturity period for cash equivalents 90 days    
Number of investment portfolios | Portfolio 3    
Number of securities held as trading securities | TradingSecurities 0 0  
Number of reportable segments | Segment 1    
Decrease to retained earnings $ 105,648 $ 98,624 $ 90,593
Core Deposits [Member]      
Finite Lived Intangible Assets [Line Items]      
Finite-lived intangible asset, useful life 7 years    
Minimum [Member]      
Finite Lived Intangible Assets [Line Items]      
Useful lives of premises and equipment 3 years    
Maximum [Member]      
Finite Lived Intangible Assets [Line Items]      
Useful lives of premises and equipment 40 years    
Retained Earnings [Member]      
Finite Lived Intangible Assets [Line Items]      
Decrease to retained earnings $ 121,249 $ 116,865 $ 109,959