Note 5 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

			Fair Value Measurement Using
March 31, 2024	Balance		Level 1		Level 2		Level 3
U.S. government agencies and corporations	$	307,989	$	-	$	307,989	$	-
States and political subdivisions		147,999		-		147,999		-
Mortgage-backed securities		147,323		-		147,323		-
Corporate debt securities		5,688		-		5,688		-
U.S. treasury		969		-		969		-
Total securities available for sale	$	609,968	$	-	$	609,968	$	-

			Fair Value Measurement Using
December 31, 2023	Balance		Level 1		Level 2		Level 3
U.S. government agencies and corporations	$	311,844	$	-	$	311,844	$	-
States and political subdivisions		149,893		-		149,893		-
Mortgage-backed securities		150,151		-		150,151		-
Corporate debt securities		5,750		-		5,750		-
U.S. treasury		963		-		963		-
Total securities available for sale	$	618,601	$	-	$	618,601	$	-

				Fair Value Measurement Using
March 31, 2024	Balance			(Level 1)		(Level 2)		(Level 3)
Interest rate loan contract	$	2		$	-	$	-	$	2
Forward sale commitment	$	(2	)	$	-	$	-	$	(2	)

March 31, 2024	Valuation Technique	Unobservable Input	Range (Weighted Average)
Interest rate loan contract	Market approach	Pull-through rate		100%(1)
Forward sale commitment	Market approach	Pull-through rate		100%(1)
Interest rate loan contract	Market approach	Current reference price	102.61%	-	103.05% (102.76%)(2)
Forward sale commitment	Market approach	Current reference price	102.61%	-	103.05% (102.76%)(2)

				Fair Value Measurement Using
December 31, 2023	Balance			(Level 1)		(Level 2)		(Level 3)
Interest rate loan contract	$	3		$	-	$	-	$	3
Forward sale commitment	$	(4	)	$	-	$	-	$	(4	)

December 31, 2023	Valuation Technique	Unobservable Input	Range (Weighted Average)
Interest rate loan contract	Market approach	Pull-through rate		100%(1)
Forward sale commitment	Market approach	Pull-through rate		100%(1)
Interest rate loan contract	Market approach	Current reference price		102.64%(3)
Forward sale commitment	Market approach	Current reference price	101.60%	-	102.64% (101.98%)(2)

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

			Estimated Fair Value
March 31, 2024	Carrying Amount		Level 1		Level 2		Level 3
Financial assets:
Cash and due from banks	$	10,656	$	10,656	$	-	$	-
Interest-bearing deposits		110,527		110,527		-		-
Securities available for sale		609,968		-		609,968		-
Restricted stock, at cost		1,248		-		1,248		-
Loans, net		854,493		-		-		790,540
Accrued interest receivable		6,478		-		6,478		-
Bank-owned life insurance		43,840		-		43,840		-
Interest rate loan contract		2		-		-		2
Financial liabilities:
Deposits	$	1,537,808	$	-	$	1,297,907	$	241,538
Accrued interest payable		2,514		-		2,514		-
Forward sale commitment		2		-		-		2

			Estimated Fair Value
December 31, 2023	Carrying Amount		Level 1		Level 2		Level 3
Financial assets:
Cash and due from banks	$	12,967	$	12,967	$	-	$	-
Interest-bearing deposits		73,636		73,636		-		-
Securities available for sale		618,601		-		618,601		-
Restricted stock, at cost		1,264		-		1,264		-
Mortgage loans held for sale		406		-		406		-
Loans, net		847,552		-		-		793,800
Accrued interest receivable		6,313		-		6,313		-
Bank-owned life insurance		43,583		-		43,583		-
Interest rate loan contract		3		-		-		3
Financial liabilities:
Deposits	$	1,503,972	$	-	$	1,280,732	$	222,374
Accrued interest payable		1,416		-		1,416		-
Forward sale commitment		4		-		-		4