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Disclosures of Fair Values of Financial Instruments - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Allowance for credit losses $ 70,182,000 $ 68,675,000 $ 59,093,000 $ 54,655,000
Other real estate owned 2,179,000 1,163,000    
Mortgage Servicing Rights        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Finite-lived intangible assets, net 5,629,000 6,859,000 $ 331,000  
Mortgage servicing rights (MSR) impairment (recovery) 7,000 (8,000)    
Fair Value, Nonrecurring        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Carrying amount of loans with a specific allowance 17,900,000 1,200,000    
Fair value of loans with a specific allowance 16,600,000 1,000,000    
Allowance for credit losses 1,300,000 200,000    
Fair Value, Nonrecurring | Carrying Amount        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Other real estate owned 2,200,000 1,200,000    
Fair Value, Nonrecurring | Fair Value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Other real estate owned $ 48,000 $ 24,000