Income Taxes - Summary of Operating Loss Carryforwards (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	$ 3,400,000
Korea
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	3,320,878
Korea | 2025
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	278,813
Korea | 2026
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	418,051
Korea | 2027
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	518,509
Korea | 2028
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	830,812
Korea | 2029
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	332,525
Korea | 2035 - 2037
Investments, Owned, Federal Income Tax Note [Line Items]
Operating loss carryforwards	$ 942,168