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DEBT OBLIGATIONS (Tables) | 9 Months Ended
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Sep. 30, 2012
Information on Credt Facility Borrowings | for borrowings or issuing new letters of credit. Information on credit facility borrowings during the three months ended September 30, 2012 and the applicable interest rates is as follows (dollars in thousands):
|  | Three Months Ended September 30, 2012 |
Maximum amount outstanding during the period |  | $ | 171,520 |
Average daily credit facility borrowings |  | $ | 49,987 |
Weighted-average interest rate |  |  | 3.4 | %

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration