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Borrowed Funds (Details) (USD $) | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due Thereafter | 0.00% | 0.00% |  |  |  |  |  |
Disclosure of Repurchase Agreements [Abstract] |  |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Maximum Amount Available | $ 234,404,000 |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Amount of Available, Unused Funds | 49,800,000 |  |  |  |  |  |  |
Range of Repurchase agreements' maturity dates | one to 365 |  |  |  |  |  |  |
Amount of Line of credit with correspondent banks |  | 48,000,000 |  |  |  |  |  |
Credit facility with Federal Reserve Bank | 131,000,000 |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, Maturities Summary [Abstract] |  |  |  |  |  |  |  |
Due in Twelve Months Maturity | 54,500,000 | 41,245,000 |  |  |  |  |  |
Due in Year Two Maturity | 40,000,000 | 10,000,000 |  |  |  |  |  |
Due in Year Three Maturity | 30,000,000 | 40,000,000 |  |  |  |  |  |
Due in Year Four Maturity | 30,000,000 | 30,000,000 |  |  |  |  |  |
Due in Year Five Maturity | 30,000,000 | 30,000,000 |  |  |  |  |  |
Due Thereafter | 148,000 | 30,156,000 |  |  |  |  |  |
Total | 184,648,000 | 181,401,000 |  |  |  |  |  |
Repurchase Agreements for municipal and commercial customers | 94,477,000 | 101,504,000 |  |  |  |  |  |
Total | $ 279,125,000 | $ 282,905,000 | $ 266,777,000 | $ 257,108,000 | $ 261,185,000 | $ 304,749,000 | $ 248,926,000 | $ 240,151,000
Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repurchase Agreement Counterparty, Maturity of Agreements | 1 day |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Next Twelve Months | 0.28% | 0.16% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Two | 2.03% | 2.73% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Three | 2.36% | 2.03% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Four | 0.99% | 2.36% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Five | 2.25% | 0.99% |  |  |  |  |  |
Securities Sold under Agreements to Repurchase, Stated Rate | 0.20% | 0.20% |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repurchase Agreement Counterparty, Maturity of Agreements | 365 days |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Next Twelve Months | 3.20% | 0.31% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Two | 2.98% | 3.20% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Three | 2.44% | 2.98% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Four | 3.69% | 2.44% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Five | 3.25% | 3.69% |  |  |  |  |  |
Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due Thereafter |  | 3.25% |  |  |  |  |  |
Securities Sold under Agreements to Repurchase, Stated Rate | 1.89% | 1.89% |  |  |  |  |  |

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- Definition Represents the aggregate dollar amount of all future maturities of advances from the Federal Home Loan Bank, treasury tax and loan notes and securities sold under repurchase agreements as of balance sheet date. + References No definition available. + Details
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph 3(a) -Article 9 + Details
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- Definition Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Subparagraph b -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph 3(a) -Article 9 + Details
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- Definition Amount of federal home loan bank advances maturing in the second fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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