GOODWILL AND INTANGIBLE ASSETS - Impairment Charges (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived asset impairments	$ 14,600,000	$ 0	$ 38,236,000	$ 457,794,000
Goodwill		0	0
Total long-lived asset impairment charges		0	38,236,000	457,794,000
Lucky Vitamin
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived asset impairments		0	0	19,356,000
Other Store Closing Costs
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived asset impairments		0	5,035,000	0
Property, Plant and Equipment
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived asset impairments		0	9,521,000	18,555,000
Manufacturing / Wholesale
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived asset impairments				24,300,000
Goodwill		0	0	24,283,000
Brand Name
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived asset impairments		$ 0	$ 23,680,000	$ 395,600,000