FAIR VALUE MEASUREMENTS AND FAIR VALUES OF FINANCIAL INSTRUMENTS - Level 3 Valuation Techniques Nonrecurring (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	$ 10,594	$ 8,082
Related allowance	1,477	925
Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	9,117	7,157
Related allowance	1,477	925
Foreclosed assets held for sale	1,332	1,338
Residential mortgage
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	116	80
Residential mortgage \| Real estate loan
Valuation Techniques and the Unobservable Inputs
Related allowance	140	153
Commercial \| Real estate loan
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	6,491	6,501
Related allowance	683	691
Commercial \| Commercial and industrial
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	3,419	72
Related allowance	654	72
Impaired Loans \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	10,594	8,082
Related allowance	1,477	925
Fair value	9,117	7,157
Impaired Loans \| Valuation, Market Approach \| Residential mortgage \| Real estate loan \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	684	1,509
Related allowance	140	162
Fair value	$ 544	$ 1,347
Impaired Loans \| Valuation, Market Approach \| Residential mortgage \| Real estate loan \| Weighted average \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	32.00%	31.00%
Impaired Loans \| Valuation, Market Approach \| Commercial \| Real estate loan \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	$ 6,491	$ 6,501
Related allowance	683	691
Fair value	$ 5,808	$ 5,810
Impaired Loans \| Valuation, Market Approach \| Commercial \| Real estate loan \| Weighted average \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	28.00%	28.00%
Impaired Loans \| Valuation, Market Approach \| Commercial \| Commercial and industrial \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	$ 72	$ 72
Related allowance	72	72
Fair value	0	$ 0
Impaired Loans \| Valuation, Market Approach \| Commercial \| Commercial and industrial \| Nonrecurring fair value measurements \| Measurement Input Discount To Borrowers Financial Statement Value Member
Valuation Techniques and the Unobservable Inputs
Recorded investment - with allowance	3,347
Related allowance	582
Fair value	$ 2,765
Impaired Loans \| Valuation, Market Approach \| Commercial \| Commercial and industrial \| Weighted average \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	100.00%	100.00%
Impaired Loans \| Valuation, Market Approach \| Commercial \| Commercial and industrial \| Weighted average \| Nonrecurring fair value measurements \| Measurement Input Discount To Borrowers Financial Statement Value Member
Valuation Techniques and the Unobservable Inputs
Discount rate	49.00%
Foreclosed Assets Held For Sale \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	$ 1,332	$ 1,338
Valuation allowance	0	0
Fair value	1,332	1,338
Foreclosed Assets Held For Sale \| Valuation, Market Approach \| Commercial Real Estate Receivables \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	1,216	1,258
Valuation allowance	0	0
Fair value	$ 1,216	$ 1,258
Foreclosed Assets Held For Sale \| Valuation, Market Approach \| Commercial Real Estate Receivables \| Weighted average \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	46.00%	44.00%
Foreclosed Assets Held For Sale \| Valuation, Market Approach \| Residential mortgage \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Foreclosed assets held for sale	$ 116	$ 80
Valuation allowance	0	0
Fair value	$ 116	$ 80
Foreclosed Assets Held For Sale \| Valuation, Market Approach \| Residential mortgage \| Weighted average \| Nonrecurring fair value measurements
Valuation Techniques and the Unobservable Inputs
Discount rate	34.00%	36.00%

The fair value of foreclosed real estate.

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The fair value of impaired loans.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount of allowance for credit losses related to recorded investment.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

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-Publisher FASB
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For each period for which an income statement is required, disclosure of the changes in the allowance, including balances at end of period.

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