Note 20 - Assets and Liabilities Measured and Reported at Fair Value (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

(in thousands)	Fair value at December 31, 2016
Assets	Total		Level 1		Level 2		Level 3
Investment securities available-for-sale
U.S. Treasury and other U.S. government obligations	$	74,998	$	74,998	$	-	$	-
Government sponsored enterprise obligations		268,090		-		268,090		-
Mortgage-backed securities - government agencies		168,843		-		168,843		-
Obligations of states and political subdivisions		57,444		-		57,444		-
Corporate equity securities		699		699		-		-
Total investment securities available-for-sale		570,074		75,697		494,377		-
Interest rate swaps		178		-		178		-
Total assets	$	570,252	$	75,697	$	494,555	$	-
Liabilities
Interest rate swaps	$	203	$	-	$	203	$	-

(in thousands)	Fair value at December 31, 2015
Assets	Total		Level 1		Level 2		Level 3
Investment securities available-for-sale
U.S. Treasury and other U.S. government obligations	$	80,000	$	80,000	$	-	$	-
Government sponsored enterprise obligations		251,893		-		251,893		-
Mortgage-backed securities - government agencies		169,628		-		169,628		-
Obligations of states and political subdivisions		63,702		-		63,702		-
Corporate equity securities		653		653		-		-
Total investment securities available-for-sale		565,876		80,653		485,223		-
Interest rate swaps		461		-		461		-
Total assets	$	566,337	$	80,653	$	485,684	$	-
Liabilities
Interest rate swaps	$	554	$	-	$	554	$	-

Fair Value Measurements, Nonrecurring [Table Text Block]

(in thousands)	Fair value at December 31, 2016
	Total		Level 1		Level 2		Level 3		Total losses
Impaired loans	$	1,393	$	-	$	-	$	1,393	$	(1,099	)
Other real estate owned		4,488		-		-		4,488		(62	)
Total	$	5,881	$	-	$	-	$	5,881	$	(1,161	)

(in thousands)	Fair value at December 31, 2015
	Total		Level 1		Level 2		Level 3		Total losses
Impaired loans	$	2,058	$	-	$	-	$	2,058	$	(208	)
Other real estate owned		3,782		-		-		3,782		(2	)
Total	$	5,840	$	-	$	-	$	5,840	$	(210	)

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

				Significant	Weighted
	Carrying		Valuation	unobservable	average of
(Dollars in thousands)	amount		technique	input	input
Impaired loans - collateral dependent	$	1,393	Appraisal	Appraisal discounts (%)		12.9	%
Other real estate owned		4,488	Appraisal	Appraisal discounts (%)		19.0	%