Note 15 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

December 31, 2021			Fair Value Measurement Using
Description	Balance		Level 1		Level 2		Level 3
U.S. Government agencies and corporations	$	278,019	$	-	$	278,019	$	-
States and political subdivisions		198,672		-		198,672		-
Mortgage-backed securities		206,174		-		206,174		-
Corporate debt securities		3,215		-		3,215		-
Total securities available for sale	$	686,080	$	-	$	686,080	$	-

December 31, 2020			Fair Value Measurement Using
Description	Balance		Level 1		Level 2		Level 3
U.S. Government agencies and corporations	$	91,163	$	-	$	91,163	$	-
States and political subdivisions		203,961		-		203,961		-
Mortgage-backed securities		249,175		-		249,175		-
Corporate debt securities		2,443		-		2,443		-
Total securities available for sale	$	546,742	$	-	$	546,742	$	-

Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

December 31, 2020				Fair Value Measurements Using
Description	Balance			Level 1		Level 2		Level 3
Interest rate loan contracts	$	1		$	-	$	-	$	1
Forward contracts	$	(11	)	$	-	$	-	$	(11	)

Schedule of Derivative Instruments [Table Text Block]

December 31, 2020	Valuation Technique	Unobservable Input	Range (Weighted Average)
Interest rate loan contracts	Market approach	Pull-through rate		87.02%			(1)
Forward contracts	Market approach	Pull-through rate		87.02%			(1)
Interest rate loan contracts	Market approach	Current reference price		101.91%	-	103.02% (102.55%)	(2)
Forward contracts	Market approach	Current reference price		101.91%	-	103.19% (102.67%)	(2)

Fair Value Measurements, Nonrecurring [Table Text Block]

December 31, 2020			Carrying value
Description	Balance		Level 1		Level 2		Level 3
Impaired loans net of valuation allowance	$	970		-		-	$	970

				Carrying Value
Date	Description	Balance		Level 1		Level 2		Level 3
December 31, 2021	OREO net of valuation allowance	$	957	$	-	$	-	$	957
December 31, 2020	OREO net of valuation allowance		1,553		-		-		1,553

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

Valuation Technique	Unobservable Input	Range (Weighted Average(1))
Present value of cash flows	Discount rate		5.50%	-	6.50%(5.78%)

Date	Valuation Technique	Unobservable Input	Range (Weighted Average(1))
December 31, 2021	Discounted appraised value	Selling cost		6.20%			(3)
December 31, 2020	Discounted appraised value	Selling cost		4.00%	–	9.23%(4.54%)	(2)
December 31, 2020	Discounted appraised value	Discount for lack of marketability and age of appraisal		0.00%	–	7.66%(0.62%)	(1)

Fair Value, by Balance Sheet Grouping [Table Text Block]

	December 31, 2021
			Estimated Fair Value
	Carrying Amount		Level 1		Level 2		Level 3
Financial assets:
Cash and due from banks	$	8,768	$	8,768	$	-	$	-
Interest-bearing deposits		130,021		130,021		-		-
Securities		686,080		-		686,080		-
Restricted securities		845		-		845		-
Mortgage loans held for sale		615		-		615		-
Loans, net		795,574		-		-		791,335
Accrued interest receivable		5,104		-		5,104		-
Bank-owned life insurance		42,354		-		42,354		-
Financial liabilities:
Deposits	$	1,494,587	$	-	$	1,415,619	$	79,115
Accrued interest payable		48		-		48		-

	December 31, 2020
			Estimated Fair Value
	Carrying Amount		Level 1		Level 2		Level 3
Financial assets:
Cash and due from banks	$	13,147	$	13,147	$	-	$	-
Interest-bearing deposits		120,725		120,725		-		-
Securities		546,742		-		546,742		-
Restricted securities		1,279		-		1,279		-
Mortgage loans held for sale		866		-		866		-
Loans, net		760,318		-		-		752,624
Accrued interest receivable		5,028		-		5,028		-
Bank-owned life insurance		36,444		-		36,444		-
Interest rate loan contracts		1		-		-		1
Financial liabilities:
Deposits	$	1,297,143	$	-	$	1,207,561	$	89,681
Accrued interest payable		56		-		56		-
Forward contracts		11		-		56		11