Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

Other intangible assets consisted of the following (in thousands):

	Estimated Useful Life (in years)			As of December 31,
				2020		2019
Indefinite-lived trademarks(1),(2)	N/A			$	9,052	$	14,752
Definite-lived trademarks(2)	5	to	15	—		2,850
Patents	7	to	24	1,443		14,243
Customer relationships(2)	10	to	15	—		24,700
				10,495		56,545
Accumulated amortization - definite-lived intangible assets				(1,115)		(13,302)
				$	9,380	$	43,243

(1) During the second quarter of 2019, we identified impairment indicators with our indefinite-lived trademarks resulting in a non-cash intangible impairment charge of $8.5 million.

(2) During the fourth quarter of 2020, we sold Octane Fitness and the related other intangible asset were reduced by $32.0 million.

Amortization expense

Amortization expense was as follows (in thousands):

	Year Ended December 31,
	2020		2019		2018
Amortization expense	$	1,669	$	3,497	$	3,164

Other Intangible Assets

OTHER INTANGIBLE ASSETS

Other intangible assets consisted of the following (in thousands):

	Estimated Useful Life (in years)			As of December 31,
				2020		2019
Indefinite-lived trademarks(1),(2)	N/A			$	9,052	$	14,752
Definite-lived trademarks(2)	5	to	15	—		2,850
Patents	7	to	24	1,443		14,243
Customer relationships(2)	10	to	15	—		24,700
				10,495		56,545
Accumulated amortization - definite-lived intangible assets				(1,115)		(13,302)
				$	9,380	$	43,243

(1) During the second quarter of 2019, we identified impairment indicators with our indefinite-lived trademarks resulting in a non-cash intangible impairment charge of $8.5 million.

(2) During the fourth quarter of 2020, we sold Octane Fitness and the related other intangible asset were reduced by $32.0 million.

For additional information related to assets and liabilities held-for-sale, see Note 2.

Amortization expense was as follows (in thousands):

	Year Ended December 31,
	2020		2019		2018
Amortization expense	$	1,669	$	3,497	$	3,164

Future amortization of definite-lived intangible assets is as follows (in thousands):

2021	$	61
2022	61
2023	61
2024	61
2025	61
Thereafter	23
	$	328

Future amortization expense

Future amortization of definite-lived intangible assets is as follows (in thousands):

2021	$	61
2022	61
2023	61
2024	61
2025	61
Thereafter	23
	$	328