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Note 8 - Intangible Assets - Core Deposit Intangible Assets Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Beginning intangible assets, net			$ 3,133
Amortization	$ (159)	$ (216)	(479)	$ (650)
Ending intangible assets, net	2,654		2,654
Core Deposits [Member]
Beginning intangible assets, net	2,813	3,525	3,133	3,959
Amortization	(159)	(216)	(479)	(650)
Ending intangible assets, net	$ 2,654	$ 3,309	$ 2,654	$ 3,309

X

- Definition

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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X

- Definition

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

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