Note 21 - Acquisition - Pro Forma Revenue and Earnings (Details) - Merchants Holding Company [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Net interest income	$ 53,730
Net income	$ 14,924	[1]

[1] Net income includes acquisition-related costs of ($113) thousand and $2.2 million of the three and nine months ended September 30, 2019, respectively.