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Allowance for Loan Losses (Performing and Non-performing Outstanding Balances) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
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Performing [Member] |  |
Performing and non-performing outstanding balances of the residential and consumer portfolios |  |
Outstanding balance of consumer loan | $ 237,928 | $ 233,800
Performing [Member] | Real estate-mortgage [Member] |  |
Performing and non-performing outstanding balances of the residential and consumer portfolios |  |
Outstanding balance of consumer loan | 220,872 | 216,393
Performing [Member] | Consumer [Member] |  |
Performing and non-performing outstanding balances of the residential and consumer portfolios |  |
Outstanding balance of consumer loan | 17,056 | 17,407
Non-Performing [Member] |  |
Performing and non-performing outstanding balances of the residential and consumer portfolios |  |
Outstanding balance of consumer loan | 856 | 1,204
Non-Performing [Member] | Real estate-mortgage [Member] |  |
Performing and non-performing outstanding balances of the residential and consumer portfolios |  |
Outstanding balance of consumer loan | 844 | 1,191
Non-Performing [Member] | Consumer [Member] |  |
Performing and non-performing outstanding balances of the residential and consumer portfolios |  |
Outstanding balance of consumer loan | $ 12 | $ 13

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- Definition Amount before allowance of consumer loans, including, but not limited to, mortgage, home equity, vehicles, credit card, installment, and lease financing. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a, b -Article 9 + Details
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