Earnings Per Share - Dilutive Potential Common Shares (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	Jan. 31, 2021	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2020	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Aug. 24, 2022	May 31, 2020	May 29, 2020	May 18, 2020	Mar. 31, 2018	Jul. 31, 2017	Jul. 20, 2017	Apr. 30, 2017	Apr. 04, 2017
Earnings Per Share
Number of dilutive potential common stock					160,456,920	164,474,496
3.75% Convertible Senior Notes
Earnings Per Share
Principal amount		$ 197,278			$ 197,278		$ 197,278		$ 212,500	$ 12,500	$ 200,000
Conversion of notes through common stock issuance		0	0		0	0
Interest rate (as a percent)		3.75%			3.75%				3.75%	3.75%	3.75%
5.5% Convertible Senior Notes
Earnings Per Share
Principal amount	$ 200			$ 33,500								$ 100,000
Conversion of notes through common stock issuance	69,808			14,600,000
Repurchase amount									$ 66,300
Interest rate (as a percent)	5.50%			5.50%					5.50%			5.50%
Restricted Stock
Earnings Per Share
Options granted		3,217,700	349,661		3,606,393	1,476,152
2022 Amazon transaction agreement
Earnings Per Share
Shares of common stock that can be purchased from warrants issued (in shares)								16,000,000
Warrants issued with the Amazon, Inc transaction agreement
Earnings Per Share
Shares of common stock that can be purchased from warrants issued (in shares)															55,286,696	55,286,696
Number of warrants exercised (in shares)					34,917,912	17,461,994
Warrants issued with the Walmart Stores, Inc transaction agreement
Earnings Per Share
Shares of common stock that can be purchased from warrants issued (in shares)													55,286,696	55,286,696
Number of warrants exercised (in shares)					13,094,217	13,094,217	13,094,217
Employee Stock Option [Member]
Earnings Per Share
Number of dilutive potential common stock					35,463,759	25,549,257
Options granted		2,255,096	1,838,123		9,131,689	2,597,974
Restricted Stock
Earnings Per Share
Number of dilutive potential common stock					7,261,132	3,737,292
Common stock warrants
Earnings Per Share
Number of dilutive potential common stock					78,561,263	96,017,181
Convertible senior notes
Earnings Per Share
Number of dilutive potential common stock					39,170,766	39,170,766