Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments, Owned, Federal Income Tax Note [Line Items]
Valuation allowance	$ 1,085,154	$ 1,284,380	$ 975,187	$ 721,809
Operating loss carryforwards	3,400,000
Unrecognized tax benefits	0	$ 0
Korea
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	3,320,878
State and Local Jurisdiction
Investments, Owned, Federal Income Tax Note [Line Items]
Corporate tax credit carryforward	50,900
State and Local Jurisdiction | Between 2034 and 2042
Investments, Owned, Federal Income Tax Note [Line Items]
Corporate tax credit carryforward	$ 37,500