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Borrowings (Details Textual) (USD $) | 12 Months Ended |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2012 Quarter | Dec. 31, 2011 | Dec. 31, 2003 Trust [Member] | Dec. 31, 2012 Trust [Member] Unsecured Debt [Member] | Dec. 31, 2012 Maximum [Member] | Dec. 31, 2011 Maximum [Member] | Dec. 31, 2012 Minimum [Member] | Dec. 31, 2011 Minimum [Member] | Dec. 31, 2012 Federal Home Loan Bank Borrowings [Member] | Dec. 31, 2011 Federal Home Loan Bank Borrowings [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |  |  |  |
Additional amount available under FHLB |  |  |  |  |  |  |  |  | $ 65,000,000 |
Line of credit with the FHLB |  |  |  |  |  |  |  |  | 2,000,000 |
Advances outstanding under line of credit |  |  |  |  |  |  |  |  | 0 | 0
Interest rates ranges of FHLB |  |  |  |  |  | 3.94% |  | 2.49% |  |
Restructured interest rates ranges of FHLB |  |  |  |  | 2.86% |  | 2.20% |  |  |
Interest rates of outstanding advances from FHLB |  |  |  |  | 3.69% | 3.69% | 1.17% | 1.17% |  |
Trust's common securities |  |  | 100.00% |  |  |  |  |  |  |
Trust preferred securities |  |  | 8,000,000 |  |  |  |  |  |  |
Tier I Capital |  |  | 25.00% |  |  |  |  |  |  |
Unsecured subordinated debentures |  |  |  | 8,248,000 |  |  |  |  |  |
Maturity date of subordinated debentures |  |  |  | Mar. 26, 2033 |  |  |  |  |  |
Borrowings (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
FHLB advances |  | 30,000,000 |  |  |  |  |  |  |  |
Extension of maturity period | 2 years |  |  |  |  |  |  |  |  |
Outstanding advances from the FHLB | 50,000,000 | 50,000,000 |  |  |  |  |  |  |  |
Securities sold under Repurchase agreements | $ 7,000,000 | $ 7,000,000 |  |  |  |  |  |  |  |
Fixed interest rate | 4.3475% | 4.3475% |  |  |  |  |  |  |  |
LIBOR rate | three-month LIBOR plus 3.15% |  |  |  |  |  |  |  |  |
Subordinated debentures, interest rate | 3.46% |  |  |  |  |  |  |  |  |
Number of consecutive quarters for interest deferment | 20 |  |  |  |  |  |  |  |  |
Duration of the Trust | 30 years |  |  |  |  |  |  |  |  |

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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 18 -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 37 -IssueDate 2006-05-01 -Chapter 15 -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. + Details
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- Definition The amount of excess Tier 1 Risk Based Capital (which consists of the types of financial capital considered the most reliable and liquid, primarily Shareholders' equity. Examples of Tier 1 capital are common stock or unit, preferred stock or unit that is irredeemable and noncumulative, and retained earnings) divided by risk-weighted assets which are assets that are weighted for credit risk according to a formula used by the Reserve Bank. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 15 -Subparagraph 3a -IssueDate 2006-05-01 -Chapter 17 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 22 -IssueDate 2006-05-01 -Chapter 17 -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. + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 10 -Section F Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Article 5 -Subsection 19, 20, 22 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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