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Related Party Transactions - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
DASAN | Majority Shareholder        
Related Party Transaction [Line Items]        
DNI direct ownership interest 36.30%   36.30%  
Guarantee fee, percent     0.90%  
DNS Korea        
Related Party Transaction [Line Items]        
Operating lease cost $ 0.1 $ 0.5 $ 0.4 $ 0.9