Note 2 - Securities (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

			Gross		Gross			Estimated
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(In thousands)
Available for Sale
Municipal bonds	$	107,964	$	2,697	$	(396	)	$	110,265
U.S. government and agency issued bonds (Agency bonds)		1,945		—		(5	)		1,940
Corporate issued asset-backed securities (ABS corporate)		11,047		—		(31	)		11,016
Corporate issued debt securities (Corporate debt)		54,876		1,536		(466	)		55,946
U.S. Small Business Administration securities (SBA)		15,545		297		—			15,842
Mortgage-backed securities:
U.S. government agency issued mortgage-backed securities (MBS agency)		75,394		406		(709	)		75,091
Corporate issued mortgage-backed securities (MBS corporate)		55,804		146		(160	)		55,790
Total securities available for sale	$	322,575	$	5,082	$	(1,767	)	$	325,890

			Gross		Gross			Estimated
	Amortized Cost		Unrealized Gains		Unrealized Losses			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	$	(336	)	$	24,237	$	(60	)	$	6,375	$	(396	)	$	30,612
Agency bonds		(5	)		1,939		—			—		(5	)		1,939
ABS corporate		(31	)		11,016		—			—		(31	)		11,016
Corporate debt		(238	)		16,197		(228	)		9,758		(466	)		25,955
SBA		—			—		—			85		—			85
Mortgage-backed securities:
MBS agency		(709	)		42,690		—			4		(709	)		42,694
MBS corporate		(160	)		20,282		—			—		(160	)		20,282
Total available for sale	$	(1,479	)	$	116,361	$	(288	)	$	16,222	$	(1,767	)	$	132,583

	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 available for sale	$	(118	)	$	39,688	$	(1,351	)	$	59,749	$	(1,469	)	$	99,437

Investments Classified by Contractual Maturity Date [Table Text Block]

	September 30, 2021
	Available-for-Sale
	Amortized Cost		Estimated Fair Value
	(In thousands)
Mortgage-backed securities:
Due within one year	$	3,512	$	3,517
Due after one through five years		28,689		28,782
Due after five through ten years		6,476		6,463
Due after ten years		92,521		92,119
Total mortgage-backed securities		131,198		130,881
All other investment securities:
Due within one year		—		—
Due after one through five years		5,362		5,266
Due after five through ten years		74,584		76,013
Due after ten years		111,431		113,730
Total all other investment securities		191,377		195,009
Total investment securities	$	322,575	$	325,890

	December 31, 2020
	Available-for-Sale
	Amortized Cost		Estimated Fair Value
	(In thousands)
Mortgage-backed securities:
Due within one year	$	80	$	84
Due after one through five years		12,446		12,402
Due after five through ten years		—		—
Due after ten years		75,791		76,774
Total mortgage-backed securities		88,317		89,260
All other investment securities:
Due within one year		—		—
Due after one through five years		2,210		2,328
Due after five through ten years		74,568		74,351
Due after ten years		192,312		198,357
Total all other investment securities		269,090		275,036
Total investment securities	$	357,407	$	364,296

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021			2020			2021			2020
	(In thousands)						(In thousands)
Proceeds from sales	$	64,394		$	47,844		$	109,829		$	142,276
Gross realized gains		1,627			1,593			2,827			3,097
Gross realized losses		(341	)		(624	)		(417	)		(862	)