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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Goodwill [Line Items]          
Goodwill $ 26,826   $ 26,826   $ 26,826 [1]
Accumulated amortization of intangible assets 335 $ 386 690 $ 783  
Accumulated amortization of intangibles 7,019   7,019   6,325
Mortgage servicing asset 28,200   28,200   29,000
Loan Servicing Assets Included in Other Amortization Intangibles [Member]          
Goodwill [Line Items]          
Accumulated amortization of intangibles 1,300   1,300   $ 876
Loan Servicing Assets Included in Interest and Fees on Loans [Member]          
Goodwill [Line Items]          
Accumulated amortization of intangible assets     405    
Amortization of intangible assets included in interest and fees $ 113 $ 96 $ 4 $ 134  
Minimum [Member]          
Goodwill [Line Items]          
Amortization of intangible assets     5 years    
Maximum [Member]          
Goodwill [Line Items]          
Amortization of intangible assets     12 years    
[1] Derived from audited December 31, 2022 Consolidated Financial Statements.