Mortgage Loans Held For Sale (Details) (USD $)	6 Months Ended	12 Months Ended
Jun. 30, 2013	Dec. 31, 2012
Loans Receivable Held-for-sale, Net [Abstract]
Mortgage loans held for sale	$ 13,138,000	$ 25,743,000
Mortgage loans held for sale, contractual balance	13,000,000	25,200,000
Gain expected upon sale of mortgage loans	$ 177,000	$ 568,000

Amount of mortgage loans held for sale. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6520390

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