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DERIVATIVE INSTRUMENTS - Fair Values of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Values of Derivative Instruments
Derivative assets	$ 433	$ 1,588
Derivative liabilities	5	1,074
Interest Rate Swap Agreements | Designated As Hedging Instrument | Other Assets.
Fair Values of Derivative Instruments
Derivative assets	330	498
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Assets.
Fair Values of Derivative Instruments
Derivative assets	5	1,074
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Accrued interest and other liabilities
Fair Values of Derivative Instruments
Derivative liabilities	5	1,074
Commitments to Originate Real Estate Loans for Sale | Not Designated as Hedging Instrument | Other Assets.
Fair Values of Derivative Instruments
Derivative assets	45	14
Forward Sales Commitments | Not Designated as Hedging Instrument | Other Assets.
Fair Values of Derivative Instruments
Derivative assets	$ 53	$ 2

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- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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