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Fair Value of Financial Instruments - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2022
Security
Jun. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Security transfer from Level 3 to Level 2 | Security 1      
Collateral dependent impaired loans categorized as Level 3   $ 10,669 $ 11,939 $ 12,039
Specific allocation for collateral dependent impaired loans   2,419 2,184 $ 1,156
Impairment   189 414  
Collateral Dependent [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Specific allocation for collateral dependent impaired loans   2,400 2,200  
Level 3 [Member] | Collateral Dependent [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Collateral dependent impaired loans categorized as Level 3   $ 2,600 $ 8,500