Short-Term Borrowings and Long-Term Debt - Schedule of Short-term Borrowings (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Borrowing Limit	$ 1,593,129
Total short-term borrowings	154,218	$ 156,678
Line of credit
Line of Credit Facility [Line Items]
Borrowing Limit	167,622
Total principal short-term borrowings	154,477	156,985
Less: unamortized discounts	(259)	(307)
Total short-term borrowings	154,218	156,678
Line of credit | January 07, 2022
Line of Credit Facility [Line Items]
Borrowing Limit	132,334
Total principal short-term borrowings	$ 132,334	137,868
Line of credit | January 07, 2022 | KRW Denominated Bank Certificate of Deposit Rate
Line of Credit Facility [Line Items]
Variable interest rate	3.25%
Line of credit | December 06, 2021 – December 14, 2021
Line of Credit Facility [Line Items]
Interest rate (%)	4.00%
Borrowing Limit	$ 35,288
Total principal short-term borrowings	$ 22,143	$ 19,117