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

12 Months Ended

Dec. 31, 2017

Notes Tables

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

(In thousands)	Fair value at December 31, 2017
Assets	Total		Level 1		Level 2		Level 3
Investment securities available-for-sale :
U.S. Treasury and other U.S. government obligations	$	149,984	$	149,984	$	–	$	–
Government sponsored enterprise obligations		213,844		–		213,844		–
Mortgage-backed securities - government agencies		161,507		–		161,507		–
Obligations of states and political subdivisions		49,189		–		49,189		–
Total investment securities available-for-sale		574,524		149,984		424,540		–
Interest rate swaps		579		–		579		–
Total assets	$	575,079	$	149,984	$	425,095	$	–
Liabilities
Interest rate swaps	$	259	$	–	$	259	$	–

(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	$	–

Fair Value Measurements, Nonrecurring [Table Text Block]

(In thousands)	Fair value at December 31, 2017
	Total		Level 1		Level 2		Level 3		Total losses
Impaired loans	$	2,569	$	–	$	–	$	2,569	$	(121	)
Other real estate owned		2,640		–		–		2,640		(171	)
Total	$	5,209	$	–	$	–	$	5,209	$	(292	)

(In thousands)	Fair value at December 31, 2016
	Total		Level 1		Level 2		Level 3		Total losses
Impaired loans	$	2,933	$	–	$	–	$	2,933	$	(1,470	)
Other real estate owned		4,488		–		–		4,488		(62	)
Total	$	7,421	$	–	$	–	$	7,421	$	(1,532	)

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	$	2,569	Appraisal	Appraisal discounts (%)		11.5	%
Other real estate owned		2,640	Appraisal	Appraisal discounts (%)		23.4