Investment Securities (Tables)

6 Months Ended

Jun. 30, 2013

Investments, Debt and Equity Securities [Abstract]

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

Investment securities at June 30, 2013 and December 31, 2012 consisted of the following (dollars in thousands):

	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value
June 30, 2013
Available-for-sale
U.S. Agency mortgage-backed securities (MBS) *	$	188,513	$	4,312	$	992	$	191,833
Non-agency MBS	15,531		109		130		15,510
U.S. Agency asset-backed securities	8,990		499		119		9,370
Mutual fund	497		11		—		508
	$	213,531	$	4,931	$	1,241	$	217,221
Held-to-maturity
Tax credit investments	$	658	$	—	$	—	$	658
Obligations of state and political subdivisions	707		33		—		740
	$	1,365	$	33	$	—	$	1,398
December 31, 2012
Available-for-sale
U.S. Agency MBS *	$	216,141	$	5,426	$	252	$	221,315
Non-agency MBS	20,601		253		—		20,854
U.S. Agency asset-backed securities	9,374		599		118		9,855
Commercial paper	5,000		—		—		5,000
Mutual fund	486		34		—		520
	$	251,602	$	6,312	$	370	$	257,544
Held-to-maturity
Tax credit investments	$	790	$	—	$	—	$	790
Obligations of state and political subdivisions	1,023		50		—		1,073
	$	1,813	$	50	$	—	$	1,863

* U.S. Agency MBS include private label MBS of approximately $12.5 million and $14.4 million at June 30, 2013 and December 31, 2012, respectively, which are supported by FHA/VA collateral.

Investments Classified by Contractual Maturity Date [Table Text Block]

The following table presents the contractual maturities of investment securities at June 30, 2013 (dollars in thousands):

	Available-for-sale				Held-to-maturity
	Amortized cost		Estimated fair value		Amortized cost		Estimated fair value
Due in one year or less	$	—	$	—	$	325	$	336
Due after one year through five years	22		22		382		404
Due after five years through ten years	48,032		47,364		—		—
Due after ten years	164,980		169,327		—		—
Mutual fund	497		508		—		—
Tax credit investments	—		—		$	658	$	658
	$	213,531	$	217,221	$	1,365	$	1,398

Available For Sale Securities Continuous Unrealized Loss Position Fair Value [Table Text Block]

The following table presents the fair value and gross unrealized losses of the Bank’s investment securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2013 and December 31, 2012 (dollars in thousands):

	Less than 12 months				12 months or more				Total
	Estimated  fair value		Unrealized losses		Estimated  fair value		Unrealized losses		Estimated  fair value		Unrealized losses
June 30, 2013
U.S. Agency MBS	$	42,206	$	959	$	2,937	$	33	$	45,143	$	992
Non-Agency MBS	6,666		129		249		1		6,915		130
U.S. Agency asset-backed securities	—		—		2,608		119		2,608		119
	$	48,872	$	1,088	$	5,794	$	153	$	54,666	$	1,241
December 31, 2012
U.S. Agency MBS	$	34,114	$	43	$	12,718	$	209	$	46,832	$	252
U.S. Agency asset-backed securities	—		—		2,750		118		2,750		118
	$	34,114	$	43	$	15,468	$	327	$	49,582	$	370