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Foreign Currency Loss, Net	12 Months Ended
Foreign Currency Loss, Net	Dec. 31, 2021
Foreign Currency [Abstract]
Foreign Currency Loss, Net	16. Foreign Currency Loss, Net Net foreign currency gain or loss includes non-cash translation gain or loss associated with intercompany balances. A substantial portion of the Company’s net foreign currency gain or loss is non-cash translation gain or loss associated with intercompany long-term loans to the Company’s Korean subsidiary. The loans are denominated in U.S. dollars and are affected by changes in the exchange rate between the Korean won and the U.S. dollar. As of December 31, 2021, 2020 and 2019, the outstanding intercompany loan balances including accrued interest between the Korean subsidiary and the Dutch subsidiary were $344,411 thousand, $378,852 thousand and $686,485 thousand, respectively. The Korean won to U.S. dollar exchange rates were 1,185.5:1 , 1,088.0:1 and 1,157.8:1 using the first base rate as of December 31, 2021, 2020 and 2019, respectively, as quoted by the KEB Hana Bank.