Note 7 - Investment and Equity Securities (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

	March 31, 2023
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
Subordinated debt	$	34,300	$	8	$	(1,795	)	$	32,513
Obligations of states and political subdivisions:
Taxable		500		-		-			500
Tax-exempt		151,204		82		(22,027	)		129,259
Mortgage-backed securities in government-sponsored entities		7,973		1		(641	)		7,333
Total	$	193,977	$	91	$	(24,463	)	$	169,605

	December 31, 2022
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
Subordinated debt	$	32,300	$	3	$	(2,139	)	$	30,164
Obligations of states and political subdivisions:
Taxable		500		-		-			500
Tax-exempt		151,896		49		(25,111	)		126,834
Mortgage-backed securities in government-sponsored entities		8,302		-		(833	)		7,469
Total	$	192,998	$	52	$	(28,083	)	$	164,967

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized		Fair
(Dollar amounts in thousands)	Cost		Value
Due in one year or less	$	570	$	570
Due after one year through five years		2,935		2,870
Due after five years through ten years		47,291		45,336
Due after ten years		143,181		120,829
Total	$	193,977	$	169,605

Schedule of Unrealized Loss on Investments [Table Text Block]

	March 31, 2023
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
Subordinated debt	$	13,082	$	(418	)	$	17,923	$	(1,377	)	$	31,005	$	(1,795	)
Obligations of states and political subdivisions:
Tax-exempt		22,396		(962	)		89,741		(21,065	)		112,137		(22,027	)
Mortgage-backed securities in government-sponsored entities		609		(13	)		6,463		(628	)		7,072		(641	)
Total	$	36,087	$	(1,393	)	$	114,127	$	(23,070	)	$	150,214	$	(24,463	)

	December 31, 2022
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
Subordinated debt	$	12,638	$	(1,129	)	$	8,790	$	(1,010	)	$	21,428	$	(2,139	)
Obligations of states and political subdivisions:
Tax-exempt		75,343		(10,488	)		41,138		(14,623	)		116,481		(25,111	)
Mortgage-backed securities in government-sponsored entities		6,153		(480	)		1,316		(353	)		7,469		(833	)
Total	$	94,134	$	(12,097	)	$	51,244	$	(15,986	)	$	145,378	$	(28,083	)