Note 4 - Investment Securities (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Marketable Securities [Table Text Block]

(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
December 31, 2016:
Securities available for sale:
Agency mortgage-backed securities	$	110,493	$	93	$	2,349	$	108,237
Agency CMO		16,293		23		288		16,028
Other debt securities:
Agency notes and bonds		69,407		14		759		68,662
Municipal obligations		63,189		783		1,129		62,843
Subtotal – debt securities		259,382		913		4,525		255,770
Mutual funds		74		0		0		74
Total securities available for sale	$	259,456	$	913	$	4,525	$	255,844
Securities held to maturity:
Agency mortgage-backed securities	$	2	$	0	$	0	$	2
Total securities held to maturity	$	2	$	0	$	0	$	2
December 31, 2015:
Securities available for sale:
Agency mortgage-backed securities	$	42,158	$	123	$	271	$	42,010
Agency CMO		9,391		41		101		9,331
Other debt securities:
Agency notes and bonds		84,797		11		355		84,453
Municipal obligations		49,527		1,372		60		50,839
Subtotal – debt securities		185,873		1,547		787		186,633
Mutual funds		118		0		0		118
Total securities available for sale	$	185,991	$	1,547	$	787	$	186,751
Securities held to maturity:
Agency mortgage-backed securities	$	4	$	0	$	0	$	4
Total securities held to maturity	$	4	$	0	$	0	$	4

Investments Classified by Contractual Maturity Date [Table Text Block]

	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
(In thousands)
Due in one year or less	$	3,047	$	3,049	$	0	$	0
Due after one year through five years		76,481		75,767		0		0
Due after five years through ten years		18,692		18,479		0		0
Due after ten years		34,376		34,210		0		0
		132,596		131,505		0		0
Mortgage-backed securities and CMO		126,786		124,265		2		2
	$	259,382	$	255,770	$	2	$	2

Schedule of Unrealized Loss on Investments [Table Text Block]

(Dollars in thousands)	Number of Investment Positions		Fair  Value		Gross Unrealized Losses
Continuous loss position less than twelve months:
Agency mortgage-backed securities		78	$	101,838	$	2,336
Agency CMO		13		11,767		239
Agency notes and bonds		20		59,126		759
Municipal obligations		54		28,414		1,129
Total less than twelve months		165		201,145		4,463
Continuous loss position more than twelve months:
Agency mortgage-backed securities		1		531		13
Agency CMO		5		2,502		49
Total more than twelve months		6		3,033		62
Total securities available for sale		171	$	204,178	$	4,525