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FAIR VALUES OF FINANCIAL INSTRUMENTS - Nonrecurring Basis (Details) - Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Quoted Prices in Active Markets for Identical Assets (Level 1) | Single family residential mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	$ 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | SBA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	0	$ 0
Significant Other Observable Inputs (Level 2) | Single family residential mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	0
Significant Other Observable Inputs (Level 2) | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	0
Significant Other Observable Inputs (Level 2) | SBA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	0	0
Significant Unobservable Inputs (Level 3) | Single family residential mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	2,319
Significant Unobservable Inputs (Level 3) | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	130
Significant Unobservable Inputs (Level 3) | SBA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	5,402	629
Carrying Value | Single family residential mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	2,319
Carrying Value | Commercial and industrial
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	130
Carrying Value | SBA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans:	$ 5,402	$ 629

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