Note 5 - Securities (Tables)

9 Months Ended

Sep. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	As of September 30, 2014
			Gross		Gross
	Amortized		Unrealized		Unrealized			Estimated
(Dollars in thousands)	Costs		Gains		Losses			Fair Value
Available-for-sale securities
U.S. government & agencies	$	7,841	$	32	$	(48	)	$	7,825
Obligations of state and political subdivisions		55,567		1,683		(89	)		57,161
Residential mortgage backed securities and collateralized mortgage obligations		46,390		371		(263	)		46,498
Corporate securities		39,523		398		(204	)		39,717
Commercial mortgage backed securities		11,235		29		(164	)		11,100
Other asset backed securities		27,039		325		(286	)		27,078
Total	$	187,595	$	2,838	$	(1,054	)	$	189,379
Held-to-maturity securities
Obligations of state and political subdivisions	$	36,888	$	551	$	(623	)	$	36,816

	As of December 31, 2013
			Gross		Gross
	Amortized		Unrealized		Unrealized			Estimated
(Dollars in thousands)	Costs		Gains		Losses			Fair Value
Available-for-sale securities
U.S. government & agencies	$	6,580	$	-	$	(316	)	$	6,264
Obligations of state and political subdivisions		60,370		672		(1,833	)		59,209
Residential mortgage backed securities and collateralized mortgage obligations		64,026		318		(1,353	)		62,991
Corporate securities		48,836		282		(888	)		48,230
Commercial mortgage backed securities		10,828		24		(380	)		10,472
Other asset backed securities		29,717		388		(631	)		29,474
Total	$	220,357	$	1,684	$	(5,401	)	$	216,640
Held-to-maturity securities
Obligations of state and political subdivisions	$	36,696	$	36	$	(2,707	)	$	34,025

Amortized Cost And Estimated Fair Value Available For Sale Securities Table [Text Block]

	Available-for-sale				Held-to-maturity
(Dollars in thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
AMOUNTS MATURING IN:
One year or less	$	1,216	$	1,236	$	367	$	367
One year through five years		53,813		54,329		1,482		1,502
Five years through ten years		58,470		58,791		15,368		15,407
After ten years		74,096		75,023		19,671		19,540
Total	$	187,595	$	189,379	$	36,888	$	36,816

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

(Dollars in thousands)	Amount
Public funds collateral	$	24,532
Federal Home Loan Bank borrowings		25,206
Interest rate swap contracts		4,488
Total securities held for pledging purposes	$	54,226

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

	Three Months Ended September 30,						Nine Months Ended September 30,
(Dollars in thousands)	2014			2013			2014			2013
Proceeds from sales of securities	$	13,036		$	32,502		$	81,820		$	77,845
Gross realized gains on sales of securities:
Obligations of state and political subdivisions	$	44		$	35		$	215		$	212
Residential mortgage backed securities and collateralized mortgage obligations		7			135			75			240
Corporate securities		82			419			309			780
Commercial mortgage backed securities		-			-			5			-
Other asset backed securities		10			-			73			52
Total gross realized gains on sales of securities	$	143		$	589		$	677		$	1,284
Gross realized losses on sales of securities
U.S. government & agencies	$	-		$	(73	)	$	(114	)	$	(100	)
Obligations of state and political subdivisions		(50	)		(108	)		(209	)		(118	)
Residential mortgage backed securities and collateralized mortgage obligations		(61	)		(13	)		(543	)		(63	)
Corporate securities		-			(12	)		(8	)		(25	)
Commercial mortgage backed securities		-			-			(33	)		-
Other asset backed securities		-			(47	)		(22	)		(47	)
Total gross realized losses on sales of securities	$	(111	)	$	(253	)	$	(929	)	$	(353	)
(Loss) gain on investment securities, net	$	32		$	336		$	(252	)	$	931

Schedule of Unrealized Loss on Investments [Table Text Block]

	As of September 30, 2014
	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollars in thousands)	Value		Losses			Value		Losses			Value		Losses
Available-for-sale securities
U.S. government & agencies	$	-	$	-		$	2,853	$	(48	)	$	2,853	$	(48	)
Obligations of states and political subdivisions		6,528		(21	)		5,942		(68	)		12,470		(89	)
Residential mortgage backed securities and collateralized mortgage obligations		15,434		(107	)		5,623		(156	)		21,057		(263	)
Corporate securities		5,078		(36	)		9,916		(168	)		14,994		(204	)
Commercial mortgage backed securities		2,869		(37	)		2,600		(127	)		5,469		(164	)
Other asset backed securities		5,972		(67	)		7,012		(219	)		12,984		(286	)
Total temporarily impaired securities	$	35,881	$	(268	)	$	33,946	$	(786	)	$	69,827	$	(1,054	)
Held-to-maturity securities
Obligations of states and political subdivisions	$	3,662	$	(18	)	$	15,565	$	(605	)	$	19,227	$	(623	)

	As of December 31, 2013
	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollars in thousands)	Value		Losses			Value		Losses			Value		Losses
Available-for-sale securities
U.S. government & agencies	$	5,446	$	(147	)	$	819	$	(169	)	$	6,265	$	(316	)
Obligations of states and political subdivisions		29,943		(1,578	)		2,727		(255	)		32,670		(1,833	)
Residential mortgage backed securities and collateralized mortgage obligations		44,197		(1,214	)		3,271		(139	)		47,468		(1,353	)
Corporate securities		32,649		(792	)		2,960		(96	)		35,609		(888	)
Commercial mortgage backed securities		5,543		(205	)		1,437		(175	)		6,980		(380	)
Other asset backed securities		15,303		(518	)		1,723		(113	)		17,026		(631	)
Total temporarily impaired securities	$	133,081	$	(4,454	)	$	12,937	$	(947	)	$	146,018	$	(5,401	)
Held-to-maturity securities
Obligations of states and political subdivisions	$	23,800	$	(1,524	)	$	7,533	$	(1,183	)	$	31,333	$	(2,707	)