RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Payments to aviation charter [Member] | Steve Hilton, Chairman and CEO [Member] | |||
| Related Party Transaction [Line Items] | |||
| Payments to related parties | $ 580 | $ 711 | $ 695 |
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- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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