Shareholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands				12 Months Ended
	Jun. 08, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Jan. 19, 2021 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Feb. 17, 2022 shares
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares) | shares				33,419,267,000
Proceeds from exercise of warrants				$ 3	$ 1,121
Series 2022-A Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares) | shares	33,333,336			33,333,336,000
Warrants term (in years)	5 years
Warrant exercise price (in dollars per share) | $ / shares	$ 4.37			$ 4.37
Warrants outstanding	$ 92,900
Series 2022-A Warrants | Volatility
Class of Warrant or Right [Line Items]
Warrants, measurement input	1.511
Series 2022-A Warrants | Risk Free Interest Rate
Class of Warrant or Right [Line Items]
Warrants, measurement input	0.0286
Series 2022-A Warrants | Expected Term
Class of Warrant or Right [Line Items]
Warrants term (in years)	5 years
Warrants, measurement input	5
Series 2020-A Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares) | shares				85,931,000
Warrant exercise price (in dollars per share) | $ / shares				$ 0.60
Stock issued for exercise of warrants | shares					1,866,558
Proceeds from exercise of warrants				$ 3	$ 1,100
Warrants outstanding	$ 8,300
Series 2020-A Warrants | Volatility
Class of Warrant or Right [Line Items]
Warrants, measurement input	1.30
Series 2020-A Warrants | Risk Free Interest Rate
Class of Warrant or Right [Line Items]
Warrants, measurement input	0.0030
Series 2020-A Warrants | Expected Term
Class of Warrant or Right [Line Items]
Warrants term (in years)	5 years
Warrants, measurement input	5
Series K Warrants
Class of Warrant or Right [Line Items]
Warrants unexercised (in shares) | shares						7,126
At The Market Offering
Class of Warrant or Right [Line Items]
Sale of stock, authorized amount					$ 500,000
Sale of stock, Issuance of common stock (in shares) | shares		24,420,579
Proceeds from issuance or sale of stock		$ 135,800
Commissions and other offering related expenses		$ 3,600
Sale of stock, remaining capacity to issue shares				$ 360,600
January 2021 Offering
Class of Warrant or Right [Line Items]
Sale of stock, Issuance of common stock (in shares) | shares			43,750,000
Proceeds from issuance or sale of stock			$ 321,700
Sale of stock, price (in dollars per share) | $ / shares			$ 8.00
June 2022 Offering
Class of Warrant or Right [Line Items]
Sale of stock, Issuance of common stock (in shares) | shares	33,333,336
Proceeds from issuance or sale of stock	$ 139,200
Sale of stock, price (in dollars per share) | $ / shares	$ 4.50