Note 16 - Assets and Liabilities Measured and Reported at Fair Value (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

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

(in thousands)	Fair value at June 30, 2017
Assets	Total		Level 1		Level 2		Level 3
Investment securities available-for-sale
Government sponsored enterprise obligations	$	366,678	$	-	$	366,678	$	-
Mortgage-backed securities - government agencies		154,874		-		154,874		-
Obligations of states and political subdivisions		54,036		-		54,036		-
Corporate equity securities		703		703		-		-
Total investment securities available-for-sale		576,291		703		575,588		-
Interest rate swaps		13		-		13		-
Total assets	$	576,304	$	703	$	575,601	$	-
Liabilities
Interest rate swaps	$	45	$	-	$	45	$	-

(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		203		-		203		-
Total assets	$	570,277	$	75,697	$	494,580	$	-
Liabilities
Interest rate swaps	$	178	$	-	$	178	$	-

Fair Value Measurements, Nonrecurring [Table Text Block]

(in thousands)	Fair value at June 30, 2017								Losses for 6 month
									period ended
	Total		Level 1		Level 2		Level 3		June 30, 2017
Impaired loans	$	1,666	$	-	$	-	$	1,666	$	(307	)
Other real estate owned		2,640		-		-		2,640		(171	)
Total	$	4,306	$	-	$	-	$	4,306	$	(478	)

(in thousands)	Fair value at December 31, 2016								Losses for 6 month
									period ended
	Total		Level 1		Level 2		Level 3		June 30, 2016
Impaired loans	$	1,393	$	-	$	-	$	1,393	$	(173	)
Other real estate owned		4,488		-		-		4,488		-
Total	$	5,881	$	-	$	-	$	5,881	$	(173	)

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

				Significant	Weighted
	Fair		Valuation	unobservable	average of
(dollars in thousands)	Value		technique	input	input
Impaired loans - collateral dependent	$	1,666	Appraisal	Appraisal discounts		5.2	%
Other real estate owned		2,640	Appraisal	Appraisal discounts		23.4