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CERTAIN RELATIONSHIPS AND RELATED-PARTY TRANSACTIONS (Details) (USD $)
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3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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Trust Note [Member]
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| Related Party Transaction [Line Items] | |||||
| Corporate expenses recognized | $ 1,600,000 | $ 4,800,000 | |||
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Director related party [Member]
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| Related Party Transaction [Line Items] | |||||
| Revenue from transactions with related parties | 0 | 3,189,000 | 2,475,000 | 11,359,000 | |
| Expenses from transactions with related party | 1,030,000 | 4,250,000 | 4,556,000 | 13,853,000 | |
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ATC Aviation Inc. [Member]
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| Related Party Transaction [Line Items] | |||||
| Expenses from transactions with related party | 100,000 | 1,200,000 | |||
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Sublease [Member]
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| Related Party Transaction [Line Items] | |||||
| Expenses from transactions with related party | (200,000) | (500,000) | |||
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Other related-parties [Member]
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| Related Party Transaction [Line Items] | |||||
| Revenue from transactions with related parties | 3,538,000 | 2,146,000 | 5,688,000 | 4,461,000 | |
| Expenses from transactions with related party | 8,721,000 | 10,216,000 | 15,735,000 | 14,249,000 | |
| Receivable balance | $ 11,400,000 | $ 11,400,000 | $ 12,200,000 | ||