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

12 Months Ended

Dec. 31, 2019

Notes Tables

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

(in thousands)	Fair value at December 31, 2019
Assets	Total		Level 1		Level 2		Level 3
Securities available for sale:
U.S. Treasury and other U.S. government obligations	$	49,897	$	49,897	$	—	$	—
Government sponsored enterprise obligations		209,944		—		209,944		—
Mortgage backed securities - government agencies		193,861		—		193,861		—
Obligations of states and political subdivisions		17,036		—		17,036		—
Total securities available for sale		470,738		49,897		420,841		—
Interest rate swaps		2,696		—		2,696		—
Total assets	$	473,434	$	49,897	$	423,537	$	—
Liabilities
Interest rate swaps	$	2,767	$	—	$	2,767	$	—

(in thousands)	Fair value at December 31, 2018
Assets	Total		Level 1		Level 2		Level 3
Securities available for sale:
Government sponsored enterprise obligations	$	261,039	$	—	$	261,039	$	—
Mortgage backed securities - government agencies		146,277		—		146,277		—
Obligations of states and political subdivisions		29,679		—		29,679		—
Total securities available for sale		436,995		—		436,995		—
Interest rate swaps		1,035		—		1,035		—
Total assets	$	438,030	$	—	$	438,030	$	—
Liabilities
Interest rate swaps	$	543	$	—	$	543	$	—

Fair Value Measurements, Nonrecurring [Table Text Block]

	Fair value at December 31, 2019								Losses
(in thousands)	Total		Level 1		Level 2		Level 3		Recorded
Impaired loans	$	7,253	$	—	$	—	$	7,253	$	(20	)
Other real estate owned		493		—		—		493		(70	)

	Fair value at December 31, 2018								Losses
(in thousands)	Total		Level 1		Level 2		Level 3		Recorded
Impaired loans	$	925	$	—	$	—	$	925	$	(514	)
Other real estate owned		239		—		—		239		(32	)

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

December 31, 2019
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Impaired loans - collateral dependent	$	7,253	Appraisal	Appraisal discounts		60.3	%
Other real estate owned		493	Appraisal	Appraisal discounts		17.1

December 31, 2018
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Impaired loans - collateral dependent	$	925	Appraisal	Appraisal discounts		9.9	%
Other real estate owned		239	Appraisal	Appraisal discounts		22.0