Note 2 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Marketable Securities [Table Text Block]

(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
June 30, 2018
Securities available for sale:
Agency mortgage-backed securities	$	105,294	$	1	$	4,754	$	100,541
Agency CMO		23,168		5		511		22,662
Other debt securities:
Agency notes and bonds		70,477		-		1,481		68,996
Municipal obligations		59,693		489		943		59,239
Total securities available for sale	$	258,632	$	495	$	7,689	$	251,438
December 31, 2017
Securities available for sale:
Agency mortgage-backed securities	$	114,902	$	-	$	2,253	$	112,649
Agency CMO		15,660		1		338		15,323
Other debt securities:
Agency notes and bonds		70,013		-		985		69,028
Municipal obligations		73,303		1,274		405		74,172
Total securities available for sale	$	273,878	$	1,275	$	3,981	$	271,172
Securities held to maturity:
Agency mortgage-backed securities	$	1	$	-	$	-	$	1
Total securities held to maturity	$	1	$	-	$	-	$	1

Investments Classified by Contractual Maturity Date [Table Text Block]

	Securities Available for Sale
	Amortized Cost		Fair Value
(In thousands)
Due in one year or less	$	22,320	$	22,167
Due after one year through five years		58,207		56,861
Due after five years through ten years		30,999		30,505
Due after ten years		18,644		18,702
		130,170		128,235
Mortgage-backed securities and CMO		128,462		123,203
	$	258,632	$	251,438

Schedule of Unrealized Loss on Investments [Table Text Block]

	Number of Investment Positions		Fair Value		Gross Unrealized Losses
(Dollars in thousands)
Continuous loss position less than twelve months:
Agency mortgage-backed securities		32	$	22,976	$	791
Agency CMO		11		6,688		106
Agency notes and bonds		4		9,579		90
Muncipal obligations		31		15,296		287
Total less than twelve months		78		54,539		1,274
Continuous loss position more than twelve months:
Agency mortgage-backed securities		67		77,551		3,963
Agency CMO		18		10,628		405
Agency notes and bonds		20		59,416		1,391
Muncipal obligations		31		15,746		656
Total more than twelve months		136		163,341		6,415
Total securities available for sale		214	$	217,880	$	7,689

	Number of Investment Positions		Fair Value		Gross Unrealized Losses
(Dollars in thousands)
Continuous loss position less than twelve months:
Agency mortgage-backed securities		37	$	37,570	$	400
Agency CMO		6		3,036		38
Agency notes and bonds		4		11,119		69
Muncipal obligations		20		10,955		83
Total less than twelve months		67		62,680		590
Continuous loss position more than twelve months:
Agency mortgage-backed securities		60		74,960		1,853
Agency CMO		18		11,801		300
Agency notes and bonds		19		57,909		916
Muncipal obligations		29		14,667		322
Total more than twelve months		126		159,337		3,391
Total securities available for sale		193	$	222,017	$	3,981