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Fair Value - Summary of Assets Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Disclosure Of Other Real Estate Owned Measured At Fair Value On A Recurring And Nonrecurring Basis Table [Line Items]    
Other equity investments $ 4,999 $ 4,910 [1]
Loans held for sale 0 14,769 [1]
OREO 1,601 1,683 [1]
Level 2 [Member]    
Disclosure Of Other Real Estate Owned Measured At Fair Value On A Recurring And Nonrecurring Basis Table [Line Items]    
Other equity investments 1,993 1,904
Loans held for sale   14,769
Level 3 [Member]    
Disclosure Of Other Real Estate Owned Measured At Fair Value On A Recurring And Nonrecurring Basis Table [Line Items]    
Other equity investments 3,006 3,006
Fair Value, Nonrecurring [Member]    
Disclosure Of Other Real Estate Owned Measured At Fair Value On A Recurring And Nonrecurring Basis Table [Line Items]    
Other equity investments 4,999 4,910
Collateral-dependent loans 10,140 1,919
Loans held for sale   14,769
OREO 1,601 1,683
Fair Value, Nonrecurring [Member] | Level 2 [Member]    
Disclosure Of Other Real Estate Owned Measured At Fair Value On A Recurring And Nonrecurring Basis Table [Line Items]    
Other equity investments 1,993 1,904
Loans held for sale   14,769
Fair Value, Nonrecurring [Member] | Level 3 [Member]    
Disclosure Of Other Real Estate Owned Measured At Fair Value On A Recurring And Nonrecurring Basis Table [Line Items]    
Other equity investments 3,006 3,006
Collateral-dependent loans 10,140 1,919
OREO $ 1,601 $ 1,683
[1] Derived from audited December 31, 2025 Consolidated Financial Statements.