The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Goodwill [Roll Forward]
Beginning of year			$ 21,824	$ 21,824	$ 21,824
Acquired goodwill			0	0
Ending balance	$ 21,824	$ 21,824	21,824	21,824	21,824
Finite-lived intangible assets, net [Abstract]
Balance Acquired			11,608		11,608
Accumulated Amortization	11,582		11,582		11,350
Aggregate amortization expense	42	$ 120	232	$ 371
Finite-lived intangible assets, future amortization expense [Abstract]
2021	26		26
Total	26		26
Core deposit intangibles
Finite-lived intangible assets, net [Abstract]
Balance Acquired			5,975		5,975
Accumulated Amortization	5,975		5,975		5,962
Other customer relationship intangibles
Finite-lived intangible assets, net [Abstract]
Balance Acquired			5,633		5,633
Accumulated Amortization	$ 5,607		$ 5,607		$ 5,388