Note 23 - Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

(Dollars in thousands)	Actual					Minimum for adequately capitalized					Minimum for well capitalized
December 31, 2017	Amount		Ratio			Amount		Ratio			Amount		Ratio
Total risk-based capital
Consolidated	$	359,866		13.52	%	$	213,012		8.0	%		NA		NA
Bank		347,840		13.07			212,891		8.0		$	266,114		10.0	%
Common Equity Tier 1 risk-based capital
Consolidated		334,631		12.57			119,820		4.5			NA		NA
Bank		322,605		12.12			212,891		4.5			172,974		6.5
Tier 1 risk-based capital
Consolidated		334,631		12.57			159,760		6.0			NA		NA
Bank		322,605		12.12			159,668		6.0			212,891		8.0
Leverage ( 1)
Consolidated		334,631		10.70			125,122		4.0			NA		NA
Bank		322,605		10.32			125,040		4.0			156,300		5.0

	Actual					Minimum for adequately capitalized					Minimum for well capitalized
December 31, 2016	Amount		Ratio			Amount		Ratio			Amount		Ratio
Total risk-based capital
Consolidated	$	338,525		13.04	%	$	207,684		8.0	%		NA		NA
Bank		325,630		12.57			207,243		8.0		$	258,986		10.0	%
Common Equity Tier 1 risk-based capital
Consolidated		314,147		12.10			116,832		4.5			NA		NA
Bank		301,252		11.63			116,564		4.5			168,341		6.5
Tier 1 risk-based capital
Consolidated		314,147		12.10			155,775		6.0			NA		NA
Bank		301,252		11.63			155,418		6.0			207,189		8.0
Leverage ( 1)
Consolidated		314,147		10.54			119,221		4.0			NA		NA
Bank		301,252		10.11			119,190		4.0			148,927		5.0