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Notes Receivable (Tables) | 12 Months Ended
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Dec. 31, 2012
Notes Receivable |
Summary of the number of loans outstanding, weighted average interest rate and the carrying value and notes receivable principal payments received and advanced | The following table summarizes the number of loans outstanding, the weighted average interest rate and the carrying value as of December 31, 2012, 2011, and 2010 and notes receivable principal payments received and advanced for the years 2012, 2011, and 2010 (dollar amounts in thousands):
|  | Number of Loans |  | Weighted Average Interest Rate |  | Carrying Value |  | Principal Payments Received |  | Principal Advanced |
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2012 |  |  | 5 |  |  | 8.7 | % | $ | 3,180 |  | $ | 569 |  | $ | (2,930 | )
2011 |  |  | 6 |  |  | 10.0 | % |  | 817 |  |  | 731 |  |  | (232 | )
2010 |  |  | 5 |  |  | 11.9 | % |  | 1,283 |  |  | 1,573 |  |  | (100 | )

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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