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LOANS HELD FOR INVESTMENT - Collateral Dependent Lons Individually Evaluated For Purposes of Determing the ACL (Detail) - Collateral Pledged [Member] - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]    
Amortized Cost with ACL $ 40,448 $ 68,320
Related Specific Allowance 3,820 5,887
Amortized Cost no ACL 81,063 92,982
Amortized Cost 121,511 161,302
Residential Portfolio Segment [Member] | Conventional Loan [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Amortized Cost with ACL 36,206 51,771
Related Specific Allowance 2,571 3,966
Amortized Cost no ACL 0 781
Amortized Cost 36,206 52,552
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Amortized Cost with ACL 1,513 5,781
Related Specific Allowance 322 670
Amortized Cost no ACL 17,590 34,043
Amortized Cost 19,103 39,824
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Amortized Cost with ACL 2,466 9,908
Related Specific Allowance 897 1,152
Amortized Cost no ACL 62,453 56,361
Amortized Cost 64,919 66,269
Commercial Portfolio Segment [Member] | Construction Loans [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Amortized Cost with ACL 0 0
Related Specific Allowance 0 0
Amortized Cost no ACL 956 1,797
Amortized Cost 956 1,797
Consumer Portfolio Segment [Member] | Personal Loans [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Amortized Cost with ACL 56 78
Related Specific Allowance 1 1
Amortized Cost no ACL 64 0
Amortized Cost 120 78
Consumer Portfolio Segment [Member] | Other Loans [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Amortized Cost with ACL 207 782
Related Specific Allowance 29 98
Amortized Cost no ACL 0 0
Amortized Cost $ 207 $ 782