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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Note 9 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 31, 2020 USD ($)	Oct. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Number of Reportable Segments				1
Goodwill, Impairment Loss	$ 0	$ 1,490	$ 1,490	$ 0	$ 0	$ 1,492
Amortization of Intangible Assets, Total				$ 1,450	$ 997	$ 1,039
Core Deposits [Member]
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)				7 years
Minimum [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				4 years
Maximum [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				10 years