Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements of Comprehensive Income (Loss)
Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax	$ 376	$ 1,838	$ 605	$ 2,868
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax	774		774
Other Comprehensive Income, Reclassification Adjustment for Write-down of Securities Included in Net Income, before Tax	$ 14	$ 2	$ 31	$ 2