Stockholders' Equity - Preferred Stock, Common Stock and Warrants (Details) $ / shares in Units, $ in Thousands				12 Months Ended
	Nov. 07, 2024 USD ($)	Jul. 22, 2024 USD ($) $ / shares shares	Feb. 23, 2024 USD ($)	Dec. 31, 2024 USD ($) Vote $ / shares shares	Dec. 31, 2017 shares	Jan. 17, 2024 USD ($)	Dec. 31, 2023 $ / shares shares	Aug. 31, 2022 shares	Aug. 24, 2022 shares
Stockholders' equity
Preferred stock, Shares authorized				5,000,000
Preferred stock, par value | $ / shares				$ 0.01
Net proceeds from shares of common stock sold | $				$ 857,872
Common stock, par value (in dollars per share) | $ / shares				$ 0.01			$ 0.01
Number of votes per share | Vote				1
At Market Issuance Sales Agreement
Stockholders' equity
Net proceeds from shares of common stock sold | $				$ 677,200
Common stock shares issued				219,835,221
Per share price of shares of common stock | $ / shares				$ 3.08
Remaining authorized for issuance | $	$ 624,800		$ 697,900
Common stock reserved for future issuance | $	$ 1,000,000		$ 1,000,000	$ 1,000,000
Stock issuance cost | $				$ 10,400
Per share price of shares of common stock | $ / shares				$ 3.08
Public Offerings
Stockholders' equity
Net proceeds from shares of common stock sold | $		$ 191,000
Common stock shares issued		78,740,157
Per share price of shares of common stock | $ / shares		$ 2.54
2022 Amazon transaction agreement
Stockholders' equity
Shares of common stock that can be purchased from warrants issued (in shares)								16,000,000	16,000,000
Class of Warrant or Right Issued				3,000,000
Maximum | At Market Issuance Sales Agreement
Stockholders' equity
Aggregate gross sales price | $						$ 1,000,000
Maximum | Warrant Issued With Amazon And Walmart Stores Inc Transaction Agreement In 2017
Stockholders' equity
Class of Warrant or Right Issued					110,573,392
Maximum | 2022 Amazon transaction agreement
Stockholders' equity
Shares of common stock that can be purchased from warrants issued (in shares)									16,000,000
Series A Junior Participating Cumulative Preferred Stock
Stockholders' equity
Preferred stock, Shares authorized				170,000
Preferred Stock, Shares issued				0			0
Preferred Stock, Shares outstanding				0			0
Undesignated preferred stock
Stockholders' equity
Preferred stock, Shares authorized				4,830,000