Note 21 - Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

	Actual					Minimum Required for Capital Adequacy Purposes					Minimum Re quired to be Well Capitalized Under Prompt Corrective Action Regulations
	Amount		Ratio			Amount		Ratio			Amount		Ratio
201 7
Total capital (to risk weighted assets)
Consolidated	$	379,417		12.9	%	$	235,723		8.0	%	NA		NA
Bank		371,346		12.6			235,515		8.0			294,393		10.0	%
Tier 1 capital (to risk weighted assets)
Consolidated		359,915		12.2			176,792		6.0		NA		NA
Bank		351,844		12.0			176,636		6.0			235,515		8.0
Common equity (to risk weighted assets)
Consolidated		316,472		10.7			132,594		4.5		NA		NA
Bank		351,844		12.0			132,477		4.5			191,356		6.5
Tier 1 capital (to average assets)
Consolidated		359,915		11.3			127,782		4.0		NA		NA
Bank		351,844		11.0			127,698		4.0			159,623		5.0

	Actual					Minimum Required for Capital Adequacy Purposes					Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations
	Amount		Ratio			Amount		Ratio			Amount		Ratio
201 6
Total capital (to risk weighted assets)
Consolidated	$	354,278		13.1	%	$	215,819		8.0	%	NA		NA
Bank		353,243		13.1			215,605		8.0			269,506		10.0	%
Tier 1 capital (to risk weighted assets)
Consolidated		336,316		12.5			161,864		6.0		NA		NA
Bank		335,282		12.4			161,704		6.0			215,605		8.0
Common equity (to risk weighted assets)
Consolidated		293,555		10.9			121,398		4.5		NA		NA
Bank		335,282		12.4			121,278		4.5			175,179		6.5
Tier 1 capital (to average assets)
Consolidated		336,316		11.2			120,486		4.0		NA		NA
Bank		335,282		11.1			120,383		4.0			150,479		5.0