GOODWILL AND OTHER INTANGIBLE ASSETS (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Indefinite-lived Intangible Assets [Line Items]
Accumulated goodwill impairment charges	$ 189,400
Goodwill impairment charge	0	$ 0	$ 34,013
Intangible assets	441,875	469,128
Amortization expense of permits and other intangible assets	$ 34,400	$ 37,000	40,000
Lodging Segment
Indefinite-lived Intangible Assets [Line Items]
Goodwill impairment charge			$ 34,000