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COMMITMENTS AND CONTINGENCIES (Details 2) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 sqft | Dec. 31, 2012 | Dec. 31, 2011
COMMITMENTS AND CONTINGENCIES |  |  |
Area of lease (in square feet) | 1,700,000 |  |
Obligation for payments under leases |  |  |
2014 | $ 13,790,000 |  |
2015 | 10,827,000 |  |
2016 | 7,579,000 |  |
2017 | 5,974,000 |  |
2018 | 4,095,000 |  |
Thereafter | 6,049,000 |  |
Total obligations under operating leases | 48,314,000 |  |
Rent expense |  |  |
Rent expense | $ 12,700,000 | $ 13,700,000 | $ 13,700,000

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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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