Note 8 - Securities Available For Sale (Tables)

9 Months Ended

Sep. 30, 2013

Investments, Debt and Equity Securities [Abstract]

Schedule of Unrealized Loss on Investments [Table Text Block]

	September 30, 2013
	Less than twelve months							Twelve months or more							Total
(Dollars in thousands)	# of Investments		Fair Value		Unrealized Losses			# of Investments		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Other marketable securities:
U.S. Government agency obligations		15	$	68,386		(643	)		0	$	0		0		$	68,386		(643	)
Corporate preferred stock		0		0		0			1		245		(455	)		245		(455	)
Total temporarily impaired securities		15	$	68,386		(643	)		1	$	245		(455	)	$	68,631		(1,098	)

	December 31, 2012
	Less than twelve months							Twelve months or more							Total
(Dollars in thousands)	# of Investments		Fair Value		Unrealized Losses			# of Investments		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Other marketable securities:
U.S. Government agency obligations		1	$	4,996		(4	)		0	$	0		0		$	4,996		(4	)
Corporate preferred stock		0		0		0			1		245		(455	)		245		(455	)
Total temporarily impaired securities		1	$	4,996		(4	)		1	$	245		(455	)	$	5,241		(459	)

Available-for-sale Securities [Table Text Block]

(Dollars in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
September 30, 2013:
Mortgage-backed securities:
FHLMC	$	2,431		144		0			2,575
FNMA		3,194		204		0			3,398
		5,625		348		0			5,973
Other marketable securities:
U.S. Government agency obligations		84,042		3		(643	)		83,402
Common stock		58		9		0			67
Corporate preferred stock		700		0		(455	)		245
		84,800		12		(1,098	)		83,714
	$	90,425		360		(1,098	)		89,687

(Dollars in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
December 31, 2012:
Mortgage-backed securities:
FHLMC	$	5,669		294		0			5,963
FNMA		4,076		301		0			4,377
Collateralized mortgage obligations:
FNMA		80		1		0			81
		9,825		596		0			10,421
Other marketable securities:
U.S. Government agency obligations		75,059		170		(4	)		75,225
Corporate preferred stock		700		0		(455	)		245
		75,759		170		(459	)		75,470
	$	85,584		766		(459	)		85,891

Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]

(Dollars in thousands)	Amortized Cost		Fair Value
Due less than one year	$	56,147		55,792
Due after one year through five years		33,520		33,583
Due after five years through ten years		0		0
Due after ten years		758		312
Total	$	90,425		89,687