Note 2 - Securities (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Available-for-sale and Held-to-Maturity Securities Reconciliation [Table Text Block]

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Allowance for Credit Losses
	(In thousands)
Available for Sale
Municipal bonds	$	93,573	$	—	$	(12,210	)	$	81,363	$	—
U.S. government agency issued asset-backed securities (ABS agency)		13,312		16		(32	)		13,296		—
Corporate issued asset-backed securities (ABS corporate)		16,364		48		(21	)		16,391		—
Corporate issued debt securities (Corporate debt)		58,131		—		(4,073	)		54,058		—
U.S. Small Business Administration securities (SBA)		9,268		56		(7	)		9,317		—
Mortgage-backed securities:
U.S. government agency issued mortgage-backed securities (MBS agency)		88,822		167		(10,440	)		78,549		—
Non-agency issued mortgage-backed securities (MBS non-agency)		61,541		—		(3,655	)		57,886		—
Total securities available for sale	$	341,011	$	287	$	(30,438	)	$	310,860	$	—

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Allowance for Credit Losses
	(In thousands)
Available for Sale
Municipal bonds	$	102,998	$	—	$	(15,237	)	$	87,761	$	—
ABS agency		11,847		—		(65	)		11,782		—
ABS corporate		5,370		—		(84	)		5,286		—
Corporate debt		56,515		—		(5,061	)		51,454		—
Mortgage-backed securities:
MBS agency		75,665		—		(12,418	)		63,247		—
MBS non-agency		81,555		—		(5,462	)		76,093		—
Total securities available for sale	$	333,950	$	—	$	(38,327	)	$	295,623	$	—

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

	Less Than Twelve Months					Twelve Months or Longer					Total
	Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value
	(In thousands)
Available for Sale
Municipal bonds	$	—		$	—	$	(12,210	)	$	81,363	$	(12,210	)	$	81,363
ABS agency		(32	)		9,520		—			—		(32	)		9,520
ABS corporate		(21	)		4,815		—			—		(21	)		4,815
Corporate debt		(50	)		1,640		(4,023	)		52,418		(4,073	)		54,058
SBA		(7	)		983		—			—		(7	)		983
Mortgage-backed securities:
MBS agency		(119	)		7,242		(10,321	)		51,487		(10,440	)		58,729
MBS non-agency		—			—		(3,655	)		56,845		(3,655	)		56,845
Total available-for-sale in a loss position	$	(229	)	$	24,200	$	(30,209	)	$	242,113	$	(30,438	)	$	266,313

	Less Than Twelve Months					Twelve Months or Longer					Total
	Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value
	(In thousands)
Available for Sale
Municipal bonds	$	—		$	—	$	(15,237	)	$	87,461	$	(15,237	)	$	87,461
ABS agency		(65	)		11,782		—			—		(65	)		11,782
ABS corporate		(84	)		3,771		—			—		(84	)		3,771
Corporate debt		—			—		(5,061	)		51,454		(5,061	)		51,454
Mortgage-backed securities:
MBS agency		(27	)		3,941		(12,391	)		59,305		(12,418	)		63,246
MBS non-agency		—			—		(5,462	)		76,086		(5,462	)		76,086
Total available-for-sale in a loss position	$	(176	)	$	19,494	$	(38,151	)	$	274,306	$	(38,327	)	$	293,800

Investments Classified by Contractual Maturity Date [Table Text Block]

	September 30, 2024
	Available-for-Sale
	Amortized Cost		Estimated Fair Value
	(In thousands)
Mortgage-backed securities:
Due within one year	$	19,249	$	19,091
Due after one through five years		4,264		4,226
Due after five through ten years		8,141		7,782
Due after ten years		118,709		105,336
Total mortgage-backed securities		150,363		136,435
All other investment securities:
Due within one year		1,000		815
Due after one through five years		20,574		19,857
Due after five through ten years		53,073		48,893
Due after ten years		116,001		104,860
Total all other investment securities		190,648		174,425
Total investment securities	$	341,011	$	310,860

	December 31, 2023
	Available-for-Sale
	Amortized Cost		Estimated Fair Value
	(In thousands)
Mortgage-backed securities:
Due within one year	$	25,279	$	25,017
Due after one through five years		16,622		16,029
Due after five through ten years		8,874		8,197
Due after ten years		106,445		90,097
Total mortgage-backed securities		157,220		139,340
All other investment securities:
Due within one year		300		300
Due after one through five years		18,187		17,384
Due after five through ten years		57,328		50,768
Due after ten years		100,915		87,831
Total all other investment securities		176,730		156,283
Total investment securities	$	333,950	$	295,623

Schedule of Realized Gain (Loss) [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2024		2023		2024			2023
	(In thousands)
Proceeds from sales	$	—	$	—	$	21,048		$	—
Gross realized gains		—		—		—			—
Gross realized losses		—		—		(2,117	)		—