Note 5 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Unrealized Gain (Loss) on Investments [Table Text Block]

	At March 31, 2016
(dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Collateralized mortgage obligations	$	153,524	$	1,897	$	(324	)	$	155,097
Agency mortgage-backed securities		9,932		52		(22	)		9,962
Municipal securities		22,903		764		(9	)		23,658
Corporate bonds		54,275		107		(1,604	)		52,778
Asset-backed securities		17,431		-		(632	)		16,799
Trust preferred securities		3,069		-		(1,211	)		1,858
Other securities		115		2		-			117
Total securities available for sale	$	261,249	$	2,822	$	(3,802	)	$	260,269
U.S. Government agencies	$	16,805	$	155	$	(11	)	$	16,949
Collateralized mortgage obligations		142,760		2,562		(155	)		145,167
Agency mortgage-backed securities		18,043		127		-			18,170
Other securities		1,020		-		-			1,020
Total securities held to maturity	$	178,628	$	2,844	$	(166	)	$	181,306

	At December 31, 2015
(dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Collateralized mortgage obligations	$	180,795	$	523	$	(3,173	)	$	178,145
Agency mortgage-backed securities		10,073		176		(78	)		10,171
Municipal securities		22,814		562		(32	)		23,344
Corporate bonds		54,294		135		(300	)		54,129
Asset-backed securities		17,631		-		(626	)		17,005
Trust preferred securities		3,070		-		(1,187	)		1,883
Other securities		115		3		-			118
Total securities available for sale	$	288,792	$	1,399	$	(5,396	)	$	284,795
U.S. Government agencies	$	17,067	$	39	$	(72	)	$	17,034
Collateralized mortgage obligations		146,458		402		(780	)		146,080
Agency mortgage-backed securities		7,732		-		(21	)		7,711
Other securities		1,020		-		-			1,020
Total securities held to maturity	$	172,277	$	441	$	(873	)	$	171,845

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available for Sale				Held to Maturity
(dollars in thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in 1 year or less	$	6,844	$	6,883	$	-	$	-
After 1 year to 5 years		13,596		13,686		4,833		4,822
After 5 years to 10 years		51,741		50,051		12,992		13,147
After 10 years		25,612		24,590		-		-
Collateralized mortgage obligations		153,524		155,097		142,760		145,167
Agency mortgage-backed securities		9,932		9,962		18,043		18,170
Total	$	261,249	$	260,269	$	178,628	$	181,306

Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]

(dollars in thousands)	2016		2015
Beginning Balance, January 1st	$	930	$	3,966
Additional credit-related impairment loss on securities for which an other-than-temporary impairment was previously recognized		1		3
Reductions for securities paid off during the period		-		-
Reductions for securities sold during the period		-		-
Reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the Company intends to sell the security		-		-
Ending Balance, March 31st	$	931	$	3,969

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

	At March 31, 2016
	Less than 12 months				12 months or more				Total
(dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Collateralized mortgage obligations	$	14,311	$	172	$	10,562	$	152	$	24,873	$	324
Agency mortgage-backed securities		-		-		5,338		22		5,338		22
Municipal securities		246		-		1,298		9		1,544		9
Corporate bonds		39,179		1,543		2,934		61		42,113		1,604
Asset backed securities		16,799		632		-		-		16,799		632
Trust preferred securities		-		-		1,858		1,211		1,858		1,211
Total Available for Sale	$	70,535	$	2,347	$	21,990	$	1,455	$	92,525	$	3,802

	At March 31, 2016
	Less than 12 months				12 months or more				Total
(dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Government agencies	$	3,802	$	11	$	-	$	-	$	3,802	$	11
Collateralized mortgage obligations		24,802		155		-		-		24,802		155
Total Held to Maturity	$	28,604	$	166	$	-	$	-	$	28,604	$	166

	At December 31, 2015
	Less than 12 months				12 months or more				Total
(dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Collateralized mortgage obligations	$	116,161	$	3,173	$	-	$	-	$	116,161	$	3,173
Agency mortgage-backed securities		2,389		14		5,502		64		7,891		78
Municipal securities		886		15		1,814		17		2,700		32
Corporate bonds		9,583		258		2,952		42		12,535		300
Asset backed securities		17,005		626		-		-		17,005		626
Trust preferred securities		-		-		1,883		1,187		1,883		1,187
Total Available for Sale	$	146,024	$	4,086	$	12,151	$	1,310	$	158,175	$	5,396

	At December 31, 2015
	Less than 12 months				12 months or more				Total
(dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Government agencies	$	11,954	$	72	$	-	$	-	$	11,954	$	72
Collateralized mortgage obligations		68,888		732		15,956		48		84,844		780
Agency mortgage-backed securities		7,711		21		-		-		7,711		21
Total Held to Maturity	$	88,553	$	825	$	15,956	$	48	$	104,509	$	873

Schedule of Trust Preferred Securities [Table Text Block]

(dollars in thousands)	Class / Tranche	Amortized Cost		Fair Value		Unrealized Losses			Lowest Credit Rating Assigned	Number of Banks Currently Performing		Deferrals / Defaults as % of Current Balance			Conditional Default Rates for 2015 and beyond			Cumulative OTTI Life to Date
TPREF Funding II	Class B Notes	$	731	$	414	$	(317	)	C		19		37	%		0.42	%	$	268
TPREF Funding III	Class B2 Notes		1,518		888		(630	)	C		15		32			0.41			483
ALESCO Preferred Funding V	Class C1 Notes		820		556		(264	)	C		42		19			0.37			180
Total		$	3,069	$	1,858	$	(1,211	)			76		29	%				$	931