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Borrowings (Details Textual) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011
Borrowing (Textual) [Abstract] |  |
Federal Home Loan Bank advances | $ 20,126,000 | $ 28,410,000
Borrowing (Additional Textual) [Abstract] |  |
Borrowing federal funds on unsecured basis | 15,000,000 |
Borrowing federal funds on secured basis | 5,135,000 |
TPS mature date | Mar. 17, 2034 |
Investment in common interests in the trust | 712,000 |
Purchaser in the private placement purchased in preferred interests | 23,000,000 |
Deeply subordinated debentures | 30 years |
Subordinated notes | 49,486,000 | 49,486,000
Company recorded the investments in the common securities issued by the Exchange Statutory Trusts | 1,486,000 |
Subsidiary bank [Member] |  |
Borrowing (Textual) [Abstract] |  |
Federal Home Loan Bank advances | 20,126,000 |
FHLB call for early payment | 10,000,000 |
Maximum additional borrowing amount under agreement | 269,958,000 |
Subsidiary bank [Member] | Maximum [Member] |  |
Borrowing (Textual) [Abstract] |  |
Percentage of outstanding mortgage loans secured under agreement | 175.00% |
Subsidiary bank [Member] | Minimum [Member] |  |
Borrowing (Textual) [Abstract] |  |
Percentage of outstanding mortgage loans secured under agreement | 125.00% |
Exchange Statutory Trust One [Member] |  |
Borrowing (Textual) [Abstract] |  |
Exchange Statutory Trust, Business trust | 25,000,000 |
Percentage of floating rate | 2.70% |
Percentage of floating rate, reprices | 3.00% |
Exchange Statutory Trust Two [Member] |  |
Borrowing (Textual) [Abstract] |  |
Exchange Statutory Trust, Business trust | $ 23,000,000 |
Exchange Statutory Trust, Floating rate | 30 years |
Percentage of floating rate | 1.83% |
Percentage of floating rate, reprices | 2.14% |
TPS can be prepaid without penalty | 5 years |

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- Definition Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 15, 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 2: 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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 14 -Subparagraph f -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 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64702-112823 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 7: 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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -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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