Change in Accounting Principle - Changes in Income Statement Items (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenues	$ 4,478,114		$ 2,614,080		$ 8,684,974	$ 5,027,339
Cost of sales	3,819,620		2,174,345		7,293,974	4,157,309
Operating, general and administrative	1,173,430		534,953		2,173,252	1,038,885
Total operating cost and expenses	4,993,050		2,709,298		9,467,226	5,196,194
Operating loss	(514,936)		(95,218)		(782,252)	(168,855)
Loss before income taxes	(518,504)		(101,966)		(813,529)	(207,196)
Income tax expense	97		84		105	207
Net loss	(518,601)	$ (295,033)	(102,050)	$ (105,353)	(813,634)	(207,403)
Net loss attributable to Class A and Class B common stockholders	$ (518,601)		$ (159,913)		$ (813,634)	$ (300,137)
Net loss attributable to Class A and Class B common stockholders per share, basic (in dollars per share)	$ (0.30)		$ (5.81)		$ (0.74)	$ (11.56)
Net loss attributable to Class A and Class B common stockholders per share, diluted (in dollars per share)	$ (0.30)		$ (5.81)		$ (0.74)	$ (11.56)
Weighted-average number of Class A and Class B common shares outstanding used in computing per share amounts, basic (in shares)	1,743,109		27,539		1,092,626	25,974
Weighted-average number of Class A and Class B common shares outstanding used in computing per share amounts, diluted (in shares)	1,743,109		27,539		1,092,626	25,974
Comprehensive loss	$ (528,844)		$ (101,412)		$ (807,987)	$ (209,015)
As Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenues			2,614,080			5,027,339
Cost of sales			2,174,377			4,157,368
Operating, general and administrative			537,877			1,043,692
Total operating cost and expenses			2,712,254			5,201,060
Operating loss			(98,174)			(173,721)
Loss before income taxes			(104,922)			(212,062)
Income tax expense			84			207
Net loss			(105,006)			(212,269)
Net loss attributable to Class A and Class B common stockholders			$ (162,869)			$ (305,003)
Net loss attributable to Class A and Class B common stockholders per share, basic (in dollars per share)			$ (5.91)			$ (11.74)
Net loss attributable to Class A and Class B common stockholders per share, diluted (in dollars per share)			$ (5.91)			$ (11.74)
Weighted-average number of Class A and Class B common shares outstanding used in computing per share amounts, basic (in shares)			27,539			25,974
Weighted-average number of Class A and Class B common shares outstanding used in computing per share amounts, diluted (in shares)			27,539			25,974
Comprehensive loss			$ (104,368)			$ (213,881)