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LOANS - Changes in Other Real Estate Owned (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Balance at beginning of year $ 2,033 $ 1,401 $ 2,781
Additions 1,017 2,448 3,182
Proceeds from Sale of Other Real Estate 2,076 1,453 3,797
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction (313) 363 765
Balance at end of year 1,287 2,033 1,401
Commercial & industrial      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Additions 510 415 1,269
Proceeds from Sale of Other Real Estate 217 541 2,967
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction (448) 112 355
Residential      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Additions 507 2,033 1,913
Proceeds from Sale of Other Real Estate 1,859 912 830
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction $ 135 $ 251 $ 410