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Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2012
Borrowings [Abstract] |
Maturity of borrowings |
|  | Fixed |  |  | Floating |  |  |  |
|  | Rate |  |  | Rate |  |  | Total |
2013 |  | $ | — |  |  | $ | — |  |  | $ | — |
2014 |  |  | 10,000,000 |  |  |  | — |  |  |  | 10,000,000 |
2015 |  |  | 30,000,000 |  |  |  | — |  |  |  | 30,000,000 |
2016 |  |  | — |  |  |  | — |  |  |  | — |
2017 |  |  | 7,000,000 |  |  |  | — |  |  |  | 7,000,000 |
Thereafter |  |  | 10,000,000 |  |  |  | 8,248,000 |  |  |  | 18,248,000 |
Total borrowings |  | $ | 57,000,000 |  |  | $ | 8,248,000 |  |  | $ | 65,248,000 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: 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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