Note 11 - Other Borrowings - Other Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Maturity range, maximum
Other borrowings	$ 12,750	$ 8,803
Minimum [Member]
Stated interest rate
Maximum [Member]
Stated interest rate
Fixed Rate Amortizing [Member]
Maturity range, minimum	Jul. 01, 2025
Maturity range, maximum	Oct. 01, 2028
Weighted-average interest rate	4.06%
Other borrowings	$ 404	555
Fixed Rate Amortizing [Member] \| Minimum [Member]
Stated interest rate	4.02%
Fixed Rate Amortizing [Member] \| Maximum [Member]
Stated interest rate	4.47%
Finance Lease Liabilities [Member]
Maturity range, minimum	Dec. 31, 2021
Maturity range, maximum	Jun. 01, 2040
Weighted-average interest rate	3.29%
Other borrowings	$ 4,098
Finance Lease Liabilities [Member] \| Minimum [Member]
Stated interest rate	2.70%
Finance Lease Liabilities [Member] \| Maximum [Member]
Stated interest rate	3.51%
Junior Subordinated Debt [Member]
Maturity range, minimum	Dec. 21, 2037
Maturity range, maximum	Dec. 21, 2037
Weighted-average interest rate	4.10%
Other borrowings	$ 8,248	$ 8,248
Junior Subordinated Debt [Member] \| Minimum [Member]
Stated interest rate	3.61%
Junior Subordinated Debt [Member] \| Maximum [Member]
Stated interest rate	4.42%

The average effective interest rate during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
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Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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-Publisher FASB
-Name Accounting Standards Codification
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Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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