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Note 7 - Premises, Equipment, and Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Impairment of Long-Lived Assets to be Disposed of	$ 781	$ 812	$ 380
Depreciation, Depletion and Amortization, Total	$ 4,470	$ 4,460	3,450
Operating Lease, Weighted Average Discount Rate, Percent	3.22%	3.22%
Operating Lease, Expense	$ 182	$ 180	$ 203
Other Assets [Member]
Operating Lease, Right-of-Use Asset	741
Other Liabilities [Member]
Operating Lease, Liability, Total	$ 770
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	4 years
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	7 years 6 months
Lease Acquired from Acquisition [Member]
Operating Lease, Liability, Total	$ 82

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of operating lease expense. Excludes sublease income.

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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Amount of lessee's right to use underlying asset under operating lease.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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