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Note 18 - Revenue Recognition - Noninterest Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Noninterest Income (in-scope of Topic 606)	$ 5,654	$ 6,154	$ 6,266
Noninterest Income (out-of-scope of Topic 606)	2,290	2,636	1,463
Total noninterest income	7,944	8,790	7,729
Deposit Account [Member]
Noninterest Income (in-scope of Topic 606)	1,966	2,453	2,678
Product and Service, Other [Member]
Noninterest Income (in-scope of Topic 606)	162	198	132
Credit and Debit Card [Member]
Noninterest Income (in-scope of Topic 606)	1,400	1,398	1,431
Fiduciary and Trust [Member]
Noninterest Income (in-scope of Topic 606)	1,662	1,622	1,565
Insurance and Investment [Member]
Noninterest Income (in-scope of Topic 606)	$ 464	$ 483	$ 460

X

- Definition

Amount, including tax collected from customer, of revenue (outside of topic 606) from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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