PROPERTY AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Depreciation	$ 6,681	$ 6,473	$ 19,957	$ 19,387
Property, Plant and Equipment, Gross	355,437		355,437		$ 351,815
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(230,295)		(230,295)		(221,787)
Property, Plant and Equipment, Net	125,142		125,142		130,028
Cost of goods sold - retail
Property, Plant and Equipment [Line Items]
Depreciation	159	170	526	516
Technology
Property, Plant and Equipment [Line Items]
Depreciation	4,965	5,042	14,504	15,109
General and administrative
Property, Plant and Equipment [Line Items]
Depreciation	1,557	1,261	4,927	3,762
Software Development [Member]
Property, Plant and Equipment [Line Items]
Capitalized Computer Software, Additions	4,005	3,248	11,595	10,798
Capitalized Computer Software, Amortization	3,721	$ 3,162	10,644	$ 9,523
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	234,782		234,782		223,309
Building
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	69,245		69,245		69,266
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	16,440		16,440		17,739
Land
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	12,781		12,781		12,781
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	5,400		5,400		11,921
Building machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	9,785		9,785		9,796
Land improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 7,004		$ 7,004		$ 7,003