Consolidated Statements of Changes in Stockholders' Equity [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Tax on Change in net unrealized gains (losses) on available for sale securities	$ 151	$ 969	$ 302	$ 1,358
Tax provision related to gains	$ 133	$ 0	$ 460	$ 164
Common Stock [Member]
Issuance of common stock and preferred stock			290,004
Preferred Stock Series A [Member]
Redemption of preferred stock (Series A)			7,500
Series B Non Cumulative Preferred Stock [Member]
Issuance of common stock and preferred stock			10,000