GOODWILL AND INTANGIBLE ASSETS, NET (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Total Intangible assets
Gross Amount		$ 260,185	$ 260,185
Accumulated Amortization		(21,604)	(18,315)
Net Amount		238,581	241,870
Amortization expense		3,300	3,300	$ 3,200
Estimated Amortization
2018		2,495
2019		2,290
2020		2,216
2021		2,103
2022		1,808
Changes in the carrying amount of goodwill
Balance as of December 31, 2016		141,391
Foreign currency translation adjustment		519
Purchase accounting adjustment		203
Balance as of December 31, 2017		142,113	141,391
Office Segment
Changes in the carrying amount of goodwill
Balance as of December 31, 2016		35,701
Foreign currency translation adjustment		519
Purchase accounting adjustment		0
Balance as of December 31, 2017		36,220	35,701
Studio Segment
Changes in the carrying amount of goodwill
Balance as of December 31, 2016		68,731
Foreign currency translation adjustment		0
Purchase accounting adjustment		203
Balance as of December 31, 2017		68,934	68,731
Coverings Segment
Changes in the carrying amount of goodwill
Balance as of December 31, 2016		36,959
Foreign currency translation adjustment		0
Purchase accounting adjustment		0
Balance as of December 31, 2017		36,959	36,959
Tradenames
Indefinite-lived intangible assets:
Indefinite-lived intangible assets:		225,600	225,600
Various
Finite-lived intangible assets:
Gross Amount		34,585	34,585
Accumulated Amortization		(21,604)	(18,315)
Net Amount		$ 12,981	$ 16,270
Edelman Leather | Tradenames
Indefinite-lived intangible assets:
Indefinite-lived intangible assets:	$ 6,500			$ 6,500
Total Intangible assets
Impairment of intangible assets	$ 10,700