Investment Securities (Tables)

12 Months Ended

Dec. 31, 2012

Investment Securities [Abstract]

Amortized cost and fair value of investment securities held to maturity

The amortized cost and fair value of investment securities held to maturity are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(dollars in thousands)
December 31, 2012:
US Treasury securities	$	29,414	$	1,278	$	-		$	30,692
US Agency securities		4,142		79		-			4,221
US Government sponsored
mortgage-backed securities		510		40		-			550
Total	$	34,066	$	1,397	$	-		$	35,463
December 31, 2011:
US Treasury securities	$	34,498	$	1,285	$	(5	)	$	35,778
US Agency securities		5,206		43		(4	)		5,245
US Government sponsored
mortgage-backed securities		653		48		-			701
Total	$	40,357	$	1,376	$	(9	)	$	41,724

Securities in continuous unrealized loss positions

The following tables show fair value and unrealized losses, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position as of December 31, 2011.

	Less than 12 months					12 Months or More					Total
			Unrealized					Unrealized					Unrealized
	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
December 31, 2011:	(dollars in thousands)
US Treasury securities	$	2,046	$	(5	)	$	-	$	(-	)	$	2,046	$	(5	)
US Agency securities		1,032		(4	)		-		(-	)		1,032		(4	)
Total	$	3,078	$	(9	)	$	-	$	(-	)	$	3,078	$	(9	)

Amortized cost and estimated fair value of debt securities

The amortized cost and estimated fair value of debt securities as of December 31, 2012, by contractual maturity, are shown in the following table. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Held to Maturity
	(dollars in thousands)
	Amortized		Estimated
	Cost		Fair Value
Due in one year or less	$	5,010	$	5,059
Due from one year to five years		25,524		26,448
Due from five years to ten years		3,022		3,406
US Government sponsored
Mortgage-backed securities		510		550
	$	34,066	$	35,463