Annual report [Section 13 and 15(d), not S-K Item 405]

Related Party Transactions - Additional Information (Details)

v3.26.1
Related Party Transactions - Additional Information (Details) - Telcon, Inc. ("Telcon") [Member]
$ in Millions, ₩ in Billions
12 Months Ended
Sep. 28, 2020
Dec. 31, 2025
KRW (₩)
shares
Dec. 31, 2025
USD ($)
shares
Related Party Transaction [Line Items]      
Marketable securities common stock outstanding   4,147,491 4,147,491
Convertible bond receivable   ₩ 17.0 $ 11.8
Percentage of marketable securities common stock outstanding   5.90% 5.90%
Convertible bond maturity date Oct. 16, 2030 Oct. 16, 2030  
Secured debt percentage 2.10% 2.10% 2.10%