INTANGIBLE ASSETS AND GOODWILL (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

The Company's intangible assets at June 30, 2018 and December 31, 2017 consisted of the following (in thousands): 

	June 30, 2018							December 31, 2017
	Gross  Carrying  Amount		Accumulated Amortization			Net  Carrying  Amount		Gross  Carrying  Amount		Accumulated Amortization			Net  Carrying  Amount		Amortization Period	Weighted- Average  Useful Life
Supply and distribution agreements	$	1,084,719	$	(382,281	)	$	702,438	$	1,056,660	$	(355,000	)	$	701,660	3 - 20 years	16 years
Technology	171,698		(114,680		)	57,018		137,288		(104,478		)	32,810		1 - 7 years	5 years
Patents	1,623		(1,623		)	—		1,623		(1,623		)	—		15 years	15 years
Internet domain names	41,112		(29,330		)	11,782		42,265		(28,802		)	13,463		5 - 20 years	8 years
Trade names	1,786,387		(395,009		)	1,391,378		1,779,076		(350,447		)	1,428,629		4-20 years	19 years
Non-compete agreements	21,900		(21,750		)	150		21,900		(21,639		)	261		3-4 years	3 years
Total intangible assets	$	3,107,439	$	(944,673	)	$	2,162,766	$	3,038,812	$	(861,989	)	$	2,176,823

Annual estimated amortization expense for intangible assets for the remainder of 2018, the next five years and thereafter

The amortization expense for intangible assets for the remainder of 2018 and the annual expense for the next five years and thereafter is expected to be as follows (in thousands):

Remainder of 2018	$	85,753
2019	168,793
2020	160,962
2021	154,945
2022	152,191
2023	150,181
Thereafter	1,289,941
	$	2,162,766

Goodwill

A roll-forward of goodwill for the six months ended June 30, 2018 consisted of the following (in thousands):

Balance at December 31, 2017	$	2,737,671
Acquisition	131,583
Currency translation adjustments	(18,858		)
Balance at June 30, 2018	$	2,850,396