Note 8 - Deposits - Interest Expense on Time Deposits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Interest bearing demand	$ 2,718	$ 2,242	$ 1,740
Money market accounts	16,202	15,062	13,308
Saving accounts	1,583	1,772	1,046
Time deposits	86,368	46,768	43,327
Total	$ 106,871	$ 65,844	$ 59,421

Aggregate amount of all interest expense on domestic deposit liabilities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.6)
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

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Amount of interest expense on domestic demand deposit liabilities.

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Amount of interest expense on domestic money market demand account deposit liabilities.

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Amount of interest expense on domestic savings deposit liabilities.

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Amount of interest expense on time deposit liabilities.

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