Note 14 - Other Comprehensive Income - Changes in Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Balances	$ 133,607	$ 97,219
Total other comprehensive income	3,295	3,551
Balances	137,932	123,782
AOCI Attributable to Parent [Member]
Balances	3,056	(4,540)
Other comprehensive income (loss) before reclassifications	3,412	3,677
Amount reclassified from accumulated other comprehensive income (loss)	(117)	(126)
Total other comprehensive income	3,295	3,551
Balances	$ 6,351	$ (989)

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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