Note 7 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Trading Securities [Table Text Block]

	September 30,		December 31,
	2015		2014
State and municipal securities	$	3,625	$	4,207

Available-for-sale Securities [Table Text Block]

			Gross		Gross
			unrealized		unrealized
	Fair		holding		holding			Amortized
September 30, 2015	value		gains		losses			cost
U.S. Government agency	$	57,490	$	308	$	(44	)	$	57,226
State and municipal		83,042		1,493		(85	)		81,634
U.S. Government agencies and sponsored enterprises (GSEs):
Mortgage-backed		133,281		1,793		(203	)		131,691
Collateralized mortgage obligations (CMOs)		73,034		494		(599	)		73,139
Pooled trust preferred		2,600		215		(1,024	)		3,409
Corporate debt		6,029		23		(11	)		6,017
Equity		7,092		309		(761	)		7,544
Total investment securities available-for-sale	$	362,568	$	4,635	$	(2,727	)	$	360,660

			Gross		Gross
			unrealized		unrealized
	Fair		holding		holding			Amortized
December 31, 2014	value		gains		losses			cost
U.S. Government agency	$	62,665	$	212	$	(472	)	$	62,925
State and municipal		72,569		1,500		(150	)		71,219
U.S. Government agencies and sponsored enterprises (GSEs):
Mortgage-backed		136,192		1,819		(466	)		134,839
Collateralized mortgage obligations (CMOs)		87,662		330		(1,300	)		88,632
Pooled trust preferred		2,439		160		(1,240	)		3,519
Corporate debt		6,037		30		-			6,007
Equity		7,655		1,022		(70	)		6,703
Total investment securities available-for-sale	$	375,219	$	5,073	$	(3,698	)	$	373,844

Investments Classified by Contractual Maturity Date [Table Text Block]

			Amortized
September 30, 2015	Fair value		cost
Due in one year or less	$	5,954	$	5,910
Due after one year through five years		245,136		243,167
Due after five years through ten years		82,140		81,254
Due after ten years		22,246		22,785
Equity securities		7,092		7,544
Total investment securities available-for-sale	$	362,568	$	360,660

			Amortized
September 30, 2015	Fair value		cost
Due in one year or less
Due after one year through five years	$	153	$	147
Due after five years through ten years		-		-
Due after ten years		-		-
Total investment securities held-to-maturity	$	153	$	147

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

	Three months ended September 30, 2015								Three months ended September 30, 2014
					Other-than-									Other-than-
	Gross		Gross		temporary				Gross		Gross			temporary
	realized		realized		impairment				realized		realized			impairment
	gains		losses		losses		Net gains		gains		losses			losses		Net gains
Equity securities	$	83	$	-	$	-	$	83	$	181	$	-		$	-	$	181
Debt securities		-		-		-		-		-		(1	)		-		(1	)
Total	$	83	$	-	$	-	$	83	$	181	$	(1	)	$	-	$	180

	Nine months ended September 30, 2015									Nine months ended September 30, 2014
						Other-than-									Other-than-
	Gross		Gross			temporary				Gross		Gross			temporary
	realized		realized			impairment				realized		realized			impairment
	gains		losses			losses		Net gains		gains		losses			losses		Net gains
Equity securities	$	713	$	(23	)	$	-	$	690	$	1,051	$	(6	)	$	-	$	1,045
Debt securities		154		(44	)		-		110		137		(95	)		-		42
Total	$	867	$	(67	)	$	-	$	800	$	1,188	$	(101	)	$	-	$	1,087

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

Nine months ended September 30,	2015		2014
Balance, beginning of period	$	1,153	$	1,271
Additions:
Initial credit impairments		-		-
Subsequent credit impairments		-		-
Balance, end of period	$	1,153	$	1,271

Held-to-maturity Securities [Table Text Block]

Held-To-Maturity

September 30, 2015

December 31, 2014

Gross

Gross

Gross

Gross

unrealized

unrealized

unrealized

unrealized

Amortized

holding

holding

Fair

Amortized

holding

holding

Fair

cost

gains

losses

value

cost

gains

losses

value

State and municipal securities

$

147

$

6

-

$

153

$

146

$

10

-

$

156

Schedule of Unrealized Loss on Investments [Table Text Block]

September 30, 2015
			Less than 12 months					12 months or longer					Total
	No. of		Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	securities		value		losses			value		losses			value		losses
U.S. Government agency		11	$	10,330	$	(23	)	$	4,477	$	(21	)	$	14,807	$	(44	)
State and municipal		37		11,973		(58	)		2,688		(27	)		14,661		(85	)
U.S. Government agencies and sponsored enterprises (GSEs):
Mortgage-backed		24		34,497		(171	)		1,469		(32	)		35,966		(203	)
Collateralized mortgage obligations (CMOs)		30		5,259		(19	)		26,858		(580	)		32,117		(599	)
Pooled trust preferred		5		-		-			2,131		(1,024	)		2,131		(1,024	)
Corporate debt		2		2,003		(11	)		-		-			2,003		(11	)
Equity		23		5,232		(683	)		190		(78	)		5,422		(761	)
Total		132	$	69,294	$	(965	)	$	37,813	$	(1,762	)	$	107,107	$	(2,727	)

December 31, 2014
			Less than 12 months					12 months or longer					Total
	No. of		Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	securities		value		losses			value		losses			value		losses
U.S. Government agency		29	$	15,466	$	(30	)	$	23,941	$	(442	)	$	39,407	$	(472	)
State and municipal		39		3,452		(31	)		11,964		(119	)		15,416		(150	)
U.S. Government agencies and sponsored enterprises (GSEs):
Mortgage-backed		34		6,521		(15	)		38,586		(451	)		45,107		(466	)
Collateralized mortgage obligations (CMOs)		51		2,003		(205	)		35,687		(1,095	)		37,690		(1,300	)
Pooled trust preferred		5		-		-			1,978		(1,240	)		1,978		(1,240	)
Equity		7		1,303		(70	)		-		-			1,303		(70	)
Total		165	$	28,745	$	(351	)	$	112,156	$	(3,347	)	$	140,901	$	(3,698	)

Schedule of Pooled Trust Preferred Securities [Table Text Block]

Deal	Class	Book value		Fair value		Unreal-ized gains (losses)			Realized OTTI credit loss (YTD 2015)		Total recognized OTTI credit loss			Moody's /Fitch ratings	Current number of performing banks		Current number of performing insurance companies		Actual deferrals and defaults as a % of total collateral			Total performing collateral as a % of outstanding bonds
PreTSL IV	Mezzanine*	$	243	$	217	$	(26	)	$	-	$	(1	)	B1/BB		5		-		18.0	%		140.7	%
PreTSL XVII	Mezzanine		705		523		(182	)		-		(222	)	C/CC		33		5		26.7			91.2
PreTSL XIX	Mezzanine		987		554		(433	)		-		-		Caa3/CC		40		12		12.2			94.8
PreTSL XXV	Mezzanine		766		480		(286	)		-		(222	)	C/C		46		5		28.3			88.8
PreTSL XXVI	Mezzanine		454		357		(97	)		-		(270	)	Caa3/C		42		7		21.0			94.4
PreTSL XXVI	Mezzanine		254		469		215			-		(438	)	Caa3/C		42		7		21.0			94.4
		$	3,409	$	2,600	$	(809	)	$	-	$	(1,153	)