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

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	Fair Value Measurements Using:						Total
March 31, 2024 (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	$	117,478	$	—	$	—	$	117,478
Government sponsored enterprise obligations		—		90,896		—		90,896
Mortgage backed securities - government agencies		—		660,620		—		660,620
Obligations of states and political subdivisions		—		121,257		—		121,257
Other		—		3,557		—		3,557
Total available for sale debt securities		117,478		876,330		—		993,808
Mortgage loans held for sale		—		6,462		—		6,462
Rate lock loan commitments		—		452		—		452
Interest rate swap assets		—		10,823		—		10,823
Total assets	$	117,478	$	894,067	$	—	$	1,011,545
Liabilities:
Interest rate swap liabilities	$	—	$	7,743	$	—	$	7,743
Mandatory forward contracts		—		41		—		41
Total liabilities	$	—	$	7,784	$	—	$	7,784

	Fair Value Measurements Using:						Total
December 31, 2023 (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	$	116,269	$	—	$	—	$	116,269
Government sponsored enterprise obligations		—		99,847		—		99,847
Mortgage backed securities - government agencies		—		688,039		—		688,039
Obligations of states and political subdivisions		—		123,490		—		123,490
Other		—		3,534		—		3,534
Total available for sale debt securities		116,269		914,910		—		1,031,179
Mortgage loans held for sale		—		6,056		—		6,056
Rate lock loan commitments		—		174		—		174
Interest rate swap assets		—		5,133		—		5,133
Total assets	$	116,269	$	926,273	$	—	$	1,042,542
Liabilities:
Interest rate swap liabilities	$	—	$	5,378	$	—	$	5,378
Mandatory forward contracts		—		43		—		43
Total liabilities	$	—	$	5,421	$	—	$	5,421

Fair Value Measurements, Nonrecurring [Table Text Block]

									Losses recorded
									Three months
	Fair Value Measurements Using:						Total		ended
March 31, 2024 (in thousands)	Level 1		Level 2		Level 3		Fair Value		March 31, 2024
Collateral dependent loans	$	—	$	—	$	7,632	$	7,632	$	4
Other real estate owned		—		—		10		10		—

									Losses recorded
									Three months
	Fair Value Measurements Using:						Total		ended
December 31, 2023 (in thousands)	Level 1		Level 2		Level 3		Fair Value		March 31, 2023
Collateral dependent loans	$	—	$	—	$	13,561	$	13,561	$	—
Other real estate owned		—		—		10		10		—

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

	March 31, 2024
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Collateral dependent loans	$	7,632	Appraisal	Appraisal discounts		8.4	%
Other real estate owned		10	Appraisal	Appraisal discounts		93.0

	December 31, 2023
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Collateral dependend loans	$	13,561	Appraisal	Appraisal discounts		18.0	%
Other real estate owned		10	Appraisal	Appraisal discounts		93.0