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CREDIT AGREEMENTS (Tables) | 12 Months Ended
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Dec. 31, 2013
Debt Disclosure [Abstract] |
Schedule of U.S. Credit Agreement | Selected details of our credit agreements as of and for the years ended December 31, 2013 and 2012 were as follows (dollars in thousands):
|  | As of December 31, |
|  | 2013(1) |  |  | 2012(2) |
Credit Agreements: |  |  |  |  |  |  |  |
Credit facility remaining availability(4) |  | $ | 70,000 |  |  | $ | — |
Credit facility borrowings |  | $ | — |  |  | $ | 80,000 |
Outstanding letters of credit(3) |  | $ | 12,318 |  |  | $ | 6,981 |
Availability of additional letters of credit(4) |  | $ | 7,682 |  |  | $ | — |
Average daily revolving credit borrowings for the year ended |  | $ | 219 |  |  | $ | 219 |
Weighted average annual interest rate |  |  | 5.25 | % |  |  | 5.25 | %
Commitment fee rate |  |  | 0.25 | % |  |  | 0.25 | %
Letter of credit fee rate |  |  | 0.75 | % |  |  | 0.50 | %
(1) | Details reflect terms under our existing Credit Agreement which was entered into December 30, 2013, except for our outstanding letters of credit.
(2) | Details reflect terms under the original credit agreement which was replaced with our existing Credit Agreement, except for our outstanding letters of credit.
(3) | Represents letters of credit which are fully collateralized with $12.6 million and $7.4 million of restricted cash as of December 31, 2013 and 2012, respectively.
(4) | The letters of credit sublimit of $20.0 million under our existing Credit Agreement is part of, not in addition to, the $70.0 million aggregate commitments.

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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