Note 16 - Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Net Interest Income	$ 11,825	$ 10,165	$ 22,182	$ 20,294
Provision for Loan Losses	179	44	310	70
Total Noninterest Income	4,000	2,324	6,334	4,758
Noninterest Expenses	13,014	8,601	22,040	17,137
Income Taxes	531	775	1,230	1,588
Segment Profit (Loss)	2,101	3,069	4,936	6,257
Segment Assets	1,506,972	1,204,472	1,506,972	1,204,472	$ 1,251,878
Bank [Member]
Net Interest Income	12,200	10,411	22,832	20,753
Provision for Loan Losses	179	44	310	70
Total Noninterest Income	3,492	2,317	5,675	4,744
Noninterest Expenses	11,636	8,325	20,242	16,605
Income Taxes	737	877	1,548	1,782
Segment Profit (Loss)	3,140	3,482	6,407	7,040
Segment Assets	1,498,212	1,199,709	1,498,212	1,199,709
Mortgage Loan Banking [Member]
Net Interest Income	19		19
Provision for Loan Losses
Total Noninterest Income	500		643
Noninterest Expenses	722		846
Income Taxes			5
Segment Profit (Loss)	(203)		(189)
Segment Assets	4,539		4,539
Corporate Segment [Member]
Net Interest Income	(394)	(246)	(669)	(459)
Provision for Loan Losses
Total Noninterest Income	8	7	16	14
Noninterest Expenses	656	276	952	532
Income Taxes	(206)	(102)	(323)	(194)
Segment Profit (Loss)	(836)	(413)	(1,282)	(783)
Segment Assets	$ 4,221	$ 4,763	$ 4,221	$ 4,763