Foreclosed Real Estate and Repossessed Personal Property (Details) (Textual) (USD $)	1 Months Ended	3 Months Ended	6 Months Ended
	Jul. 31, 2012	Jun. 30, 2012 Property ResidentialLots	Jun. 30, 2012 Property ResidentialLots	Jun. 30, 2011	Jul. 23, 2012 Property	Dec. 31, 2011
Real Estate, Write-down or Reserve [Line Items]
Proceeds from sale of other loans held for sale		$ 14,250,000	$ 13,718,000	$ 6,528,000
Writedowns, gains on sales of foreclosed real estate		2,500,000	2,500,000
Foreclosed real estate and repossessed personal property (Textual) [Abstract]
Number of undeveloped residential lots		61	61
Amount of undeveloped residential lots		7,100,000	7,100,000
Participations sold		357,000	357,000			5,400,000
Real estate auctions		9,000,000	9,000,000
Carrying amount of properties sold		934,000	934,000
Net gain on sale of property			98,000
Carrying amount of properties under contract for sale		2,000,000	2,000,000
Anticipated Gain On Sale of Properties Under Contract For Sale	114,000
Properties acquired		2	2
Additional Properties					4
Foreclosed Assets [Member]
Real Estate, Write-down or Reserve [Line Items]
Proceeds from sale of other loans held for sale			7,100,000
Writedowns, gains on sales of foreclosed real estate		1,900,000	1,900,000
Writedowns based on the receipt of updated appraisals on properties			$ 4,900,000