Note 2 - Securities (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(In thousands)
Available for Sale
Municipal bonds	$	110,497	$	3,207	$	(340	)	$	113,364
International agency issued bonds (Agency bonds)		1,947		—		(27	)		1,920
Corporate issued asset-backed securities (ABS corporate)		14,556		—		(67	)		14,489
Corporate issued debt securities (Corporate debt)		58,906		1,450		(567	)		59,789
U.S. Small Business Administration securities (SBA)		14,404		276		—			14,680
Mortgage-Backed Securities:
U.S. government agency issued mortgage-backed securities (MBS agency)		80,877		248		(1,163	)		79,962
Corporate issued mortgage-backed securities (MBS corporate)		60,317		71		(380	)		60,008
Total securities available for sale	$	341,504	$	5,252	$	(2,544	)	$	344,212

	December 31, 2020
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(In thousands)
Available for Sale
Municipal bonds	$	122,667	$	5,212	$	(17	)	$	127,862
U.S. government agency issued asset-backed securities (ABS agency)		62,934		1,240		(354	)		63,820
ABS corporate		29,661		37		(418	)		29,280
Corporate debt		35,408		687		(585	)		35,510
SBA		18,420		144		—			18,564
Mortgage-Backed Securities
MBS agency		61,859		876		(52	)		62,683
MBS corporate		26,458		162		(43	)		26,577
Total securities available for sale	$	357,407	$	8,358	$	(1,469	)	$	364,296

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	$	(306	)	$	23,125	$	(34	)	$	1,475	$	(340	)	$	24,600
Agency bonds		(27	)		1,920		—			—		(27	)		1,920
ABS corporate		(67	)		10,976		—			—		(67	)		10,976
Corporate debt		(333	)		18,890		(234	)		9,752		(567	)		28,642
SBA		—			—		—			69		—			69
Mortgage-Backed Securities
MBS agency		(713	)		39,029		(450	)		12,802		(1,163	)		51,831
MBS corporate		(374	)		32,849		(6	)		5,505		(380	)		38,354
Total	$	(1,820	)	$	126,789	$	(724	)	$	29,603	$	(2,544	)	$	156,392

	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	)	$	5,214	$	(2	)	$	1,319	$	(17	)	$	6,533
ABS Agency		—			—		(354	)		21,430		(354	)		21,430
ABS Corporate		—			—		(418	)		27,283		(418	)		27,283
Corporate debt		(8	)		5,892		(577	)		9,409		(585	)		15,301
SBA		—			63		—			47		—			110
Mortgage-Backed Securities
MBS agency		(52	)		18,516		—			261		(52	)		18,777
MBS corporate		(43	)		10,003		—			—		(43	)		10,003
Total	$	(118	)	$	39,688	$	(1,351	)	$	59,749	$	(1,469	)	$	99,437

Investments Classified by Contractual Maturity Date [Table Text Block]

	December 31, 2021				December 31, 2020
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
	(In thousands)
Mortgage-backed securities:
Due within one year	$	7,827	$	7,832	$	80	$	84
Due after one through five years		24,347		24,371		12,446		12,402
Due after five through ten years		8,466		8,391		—		—
Due after ten years		100,554		99,376		75,791		76,774
Total mortgage-backed securities		141,194		139,970		88,317		89,260
All other investment securities:
Due within one year		—		—		—		—
Due after one through five years		6,391		6,289		2,210		2,328
Due after five through ten years		79,679		80,807		74,568		74,351
Due after ten years		114,240		117,146		192,312		198,357
Total all other investment securities		200,310		204,242		269,090		275,036
Total investment securities	$	341,504	$	344,212	$	357,407	$	364,296

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

	For the Year Ended December 31,
	2021			2020
	(In thousands)
Proceeds	$	109,829		$	210,264
Gross gains		2,827			4,537
Gross losses		(417	)		(1,390	)