Segment Data and Disaggregated Revenue - Geographic Distribution Of The Company's Net Revenues And Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Net revenues	$ 707,640	$ 1,191,729	$ 1,637,880	$ 2,396,451
Operating income (loss)	(169,674)	(11,482)	(727,854)	23,777
Interest expense, net	(11,336)	(5,988)	(17,296)	(10,226)
Other expense, net	(4,843)	(1,128)	(3,309)	(1,795)
Income (loss) before income taxes	(185,853)	(18,598)	(748,459)	11,756
North America
Segment Reporting Information [Line Items]
Net revenues	449,702	816,220	1,058,682	1,659,469
Operating income (loss)	30,759	139,198	26,986	299,471
EMEA
Segment Reporting Information [Line Items]
Net revenues	89,125	145,320	227,029	279,424
Operating income (loss)	(698)	10,493	3,006	22,711
Asia-Pacific
Segment Reporting Information [Line Items]
Net revenues	123,265	154,113	218,951	298,398
Operating income (loss)	(12,447)	19,647	(49,288)	39,450
Latin America
Segment Reporting Information [Line Items]
Net revenues	11,147	39,721	64,235	88,909
Operating income (loss)	(4,374)	(3,891)	(52,558)	(4,250)
Connected Fitness
Segment Reporting Information [Line Items]
Net revenues	32,912	31,935	65,706	62,039
Operating income (loss)	3,691	11	7,391	1,080
Corporate Other
Segment Reporting Information [Line Items]
Net revenues	1,489	4,420	3,277	8,212
Operating income (loss)	$ (186,605)	$ (176,940)	$ (663,391)	$ (334,685)