Note 13 - Assets and Liabilities Measured and Reported at Fair Value (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

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

	Fair Value Measurements Using:						Total
September 30, 2022 (in thousands)	Level 1		Level 2		Level 3		Fair Value
Assets:
Available for sale debt securities:
U.S. Treasury and other U.S. Government obligations	$	114,426	$	—	$	—	$	114,426
Government sponsored enterprise obligations		—		151,299		—		151,299
Mortgage backed securities - government agencies		—		750,589		—		750,589
Obligations of states and political subdivisions		—		127,215		—		127,215
Other		—		5,644		—		5,644
Total available for sale debt securities		114,426		1,034,747		—		1,149,173
Mortgage loans held for sale		—		5,230		—		5,230
Rate lock loan commitments		—		118		—		118
Mandatory forward contracts		—		431		—		431
Interest rate swaps		—		11,589		—		11,589
Total assets	$	114,426	$	1,052,115	$	—	$	1,166,541
Liabilities:
Interest rate swaps	$	—	$	11,600	$	—	$	11,600

	Fair Value Measurements Using:						Total
December 31, 2021 (in thousands)	Level 1		Level 2		Level 3		Fair Value
Assets:
Available for sale debt securities:
U.S. Treasury and other U.S. government obligations	$	122,501	$	—	$	—	$	122,501
Government sponsored enterprise obligations		—		135,021		—		135,021
Mortgage backed securities - government agencies		—		846,624		—		846,624
Obligations of states and political subdivisions		—		75,075		—		75,075
Other		—		1,077		—		1,077
Total available for sale debt securities		122,501		1,057,797		—		1,180,298
Interest rate swaps		—		3,148		—		3,148
Total assets	$	122,501	$	1,060,945	$	—	$	1,183,446
Liabilities:
Interest rate swaps	$	—	$	3,162	$	—	$	3,162

Fair Value Measurements, Nonrecurring [Table Text Block]

									Losses recorded
									Three months		Nine months
	Fair Value Measurements Using:						Total		ended		ended
September 30, 2022 (in thousands)	Level 1		Level 2		Level 3		Fair Value		September 30, 2022		September 30, 2022
Collateral dependent loans	$	—	$	—	$	13,039	$	13,039	$	377	$	377
Other real estate owned		—		—		996		996		—		—

									Losses recorded
									Three months		Nine months
	Fair Value Measurements Using:						Total		ended		ended
December 31, 2021 (in thousands)	Level 1		Level 2		Level 3		Fair Value		September 30, 2021		September 30, 2021
Collateral dependent loans	$	—	$	—	$	4,487	$	4,487	$	—	$	—
Other real estate owned		—		—		7,212		7,212		—		—

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

	September 30, 2022
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Collateral dependent loans	$	13,039	Appraisal	Appraisal discounts		24.1	%
Other real estate owned		996	Appraisal	Appraisal discounts		57.0

	December 31, 2021
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Collateral dependend loans	$	4,487	Appraisal	Appraisal discounts		41.1	%
Other real estate owned		7,212	Appraisal	Appraisal discounts		31.6