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Troubled Debt Restructurings (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
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Mar. 31, 2013 loan contract | Mar. 31, 2012 loan | Dec. 31, 2012 contract
Troubled Debt Restructurings [Abstract] |  |  |
Number of troubled debt restructured loans | 23 |  | 23
Total troubled debt restructured loans | $ 8.2 |  | $ 8.2
Number of loans restructured | 1 | 1 |
Loan is considered payment default | 30 days |  |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953676-111524 + Details
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