Note 12 - Assets and Liabilities Measured and Reported at Fair Value (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	Fair Value Measurements Using:						Total
September 30, 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	$	83,712	$	—	$	—	$	83,712
Government sponsored enterprise obligations		—		146,287		—		146,287
Mortgage backed securities - government agencies		—		771,722		—		771,722
Obligations of states and political subdivisions		—		67,424		—		67,424
Other		—		1,003		—		1,003
Total available for sale debt securities		83,712		986,436		—		1,070,148
Interest rate swaps		—		4,180		—		4,180
Total assets	$	83,712	$	990,616	$	—	$	1,074,328
Liabilities:
Interest rate swaps	$	—	$	4,226	$	—	$	4,226

	Fair Value Measurements Using:						Total
December 31, 2020 (in thousands)	Level 1		Level 2		Level 3		Fair Value
Assets:
Available for sale debt securities:
Government sponsored enterprise obligations	$	—	$	138,078	$	—	$	138,078
Mortgage backed securities - government agencies		—		437,585		—		437,585
Obligations of states and political subdivisions		—		11,315		—		11,315
Total available for sale debt securities		—		586,978		—		586,978
Interest rate swaps		—		8,374		—		8,374
Total assets	$	—	$	595,352	$	—	$	595,352
Liabilities:
Interest rate swaps	$	—	$	8,391	$	—	$	8,391

Fair Value Measurements, Nonrecurring [Table Text Block]

									Losses recorded
									Three months		Nine months
	Fair Value Measurements Using:						Total		ended		ended
September 30, 2021 (in thousands)	Level 1		Level 2		Level 3		Fair Value		September 30, 2021		September 30, 2021
Collateral dependent loans	$	—	$	—	$	5,151	$	5,151	$	—	$	—
Other real estate owned		—		—		7,229		7,229		—		—

									Losses recorded
									Three months		Nine months
	Fair Value Measurements Using:						Total		ended		ended
December 31, 2020 (in thousands)	Level 1		Level 2		Level 3		Fair Value		September 30, 2020		September 30, 2020
Collateral dependent loans	$	—	$	—	$	7,546	$	7,546	$	—	$	—
Other real estate owned		—		—		281		281		—		—

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

	September 30, 2021
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Collateral dependent loans	$	5,151	Appraisal	Appraisal discounts		39.3	%
Other real estate owned		7,229	Appraisal	Appraisal discounts		31.4

	December 31, 2020
(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Weighted Average
Collateral dependend loans	$	7,546	Appraisal	Appraisal discounts		10.7	%
Other real estate owned		281	Appraisal	Appraisal discounts		36.0