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Loans and Allowance for Loan Losses (Details 3) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	$ 18,970,000	$ 45,074,000
Commercial and industrial [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	1,677,000	5,916,000
Vacant land, land development, and residential construction [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	2,194,000	3,448,000
Real estate - owner occupied [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	2,087,000	6,635,000
Real estate - non-owner occupied [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	9,010,000	24,169,000
Real estate - multi-family and residential rental [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	2,021,000	2,532,000
Total commercial [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	16,989,000	42,700,000
Retail home equity and other [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	889,000	1,013,000
Retail 1-4 family mortgages [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	1,092,000	1,361,000
Total retail [Member]
Recorded principal balance of nonaccrual loans, including troubled debt restructurings
Nonaccrual loans	$ 1,981,000	$ 2,374,000

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- Details

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5111-111524

+ Details

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