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Note 3 - Investment Securities Available for Sale (Tables)

12 Months Ended

Dec. 31, 2013

Investments, Debt and Equity Securities [Abstract]

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

			Gross		Gross		Estimated
December 31, 2013	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
U. S. Government agency securities	$	46,640	$	843	$	148	$	47,335
Residential mortgage backed securities		234,206		1,143		6,675		228,674
Municipal bonds		102,423		2,017		2,700		101,740
Other equity investments		396		-		12		384
	$	383,665	$	4,003	$	9,535	$	378,133

			Gross		Gross		Estimated
December 31, 2012	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
U. S. Government agency securities	$	47,606	$	1,477	$	1	$	49,082
Residential mortgage backed securities		170,649		2,730		296		173,083
Municipal bonds		72,050		5,314		51		77,313
Other equity investments		407		-		65		342
	$	290,712	$	9,521	$	413	$	299,820

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than				12 Months
	12 Months				or Greater				Total
	Estimated				Estimated				Estimated
December 31, 2013	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(dollars in thousands)	Value		Losses		Value		Losses		Value		Losses
U. S. Government agency securities	$	4,782	$	148	$	-	$	-	$	4,782	$	148
Residential mortgage backed securities		155,475		5,992		15,658		683		171,133		6,675
Municipal bonds		50,450		2,512		3,196		188		53,646		2,700
Other equity investments		-		-		165		12		165		12
	$	210,707	$	8,652	$	19,019	$	883	$	229,726	$	9,535

	Less than				12 Months
	12 Months				or Greater				Total
	Estimated				Estimated				Estimated
December 31, 2012	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(dollars in thousands)	Value		Losses		Value		Losses		Value		Losses
U. S. Government agency securities	$	2,999	$	1	$	-	$	-	$	2,999	$	1
Residential mortgage backed securities		44,992		263		2,743		33		47,735		296
Municipal bonds		3,964		51		-		-		3,964		51
Other equity investments		-		-		112		65		112		65
	$	51,955	$	315	$	2,855	$	98	$	54,810	$	413

Available-for-sale Securities [Table Text Block]

	December 31, 2013				December 31, 2012
	Amortized		Estimated		Amortized		Estimated
(dollars in thousands)	Cost		Fair Value		Cost		Fair Value
U. S. Government agency securities maturing:
One year or less	$	19,025	$	19,133	$	5,038	$	5,053
After one year through five years		27,615		28,202		42,568		44,029
Residential mortgage backed securities		234,206		228,674		170,649		173,083
Municipal bonds maturing:
After one year through five years		25,718		26,008		11,469		11,978
Five years through ten years		76,705		75,732		60,581		65,335
Other equity investments		396		384		407		342
	$	383,665	$	378,133	$	290,712	$	299,820

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References+ Details