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DISCONTINUED OPERATIONS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	May 15, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on impairment of intangible assets, including goodwill	$ 2,522	$ 2,209
Disposal Group, Held-for-sale \| Vegas.com LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Aggregate purchase price			$ 30,000
Discontinued Operations, Disposed of by Sale \| Vegas.com LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Aggregate purchase price			$ 30,000
Gain on disposal	6,500
Loss on impairment of intangible assets, including goodwill	4,800
Interest expense	$ 2,700