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FAIR VALUE - Impairment of Valuation Adjustments were Recorded for Assets Recognized at Fair Value (Detail) - Fair Value Measurements Nonrecurring [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
OREO [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Assets Fair Value Adjustment $ (71) $ (999) $ (435) $ (1,775)
Loans Receivable [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Assets Fair Value Adjustment (1,362) (193) (3,156) (5,906)
Fair Value Inputs Level 1 [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Loans receivable 0 0 0 0
Other Real Estate Owned 0 0 0 0
Fair Value Inputs Level 2 [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Loans receivable 0 0 0 0
Other Real Estate Owned 0 0 0 0
Fair Value Inputs Level 3 [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Loans receivable 176,683 239,256 176,683 239,256
Other Real Estate Owned $ 43,798 $ 89,049 $ 43,798 $ 89,049