Related Party Transactions - Sales and Purchases To and From Related Parties (Details) - Sales And Purchases To And From Related Parties - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Related Party Transaction [Line Items]
Sales	$ 718	$ 141	$ 916	$ 1,911
Cost of revenue	640	102	828	1,766
Research and product development	2	307	93	614
Selling, marketing, general and administrative	324	409	652	829
Interest expense				132
Other expenses	16	53	33	138
DASAN | Majority Shareholder
Related Party Transaction [Line Items]
Sales	718	141	916	1,911
Cost of revenue	629	92	806	1,746
Research and product development		262	90	523
Selling, marketing, general and administrative	316	389	633	791
Interest expense				132
Other expenses	16	53	33	138
DASAN | Affiliated Entity
Related Party Transaction [Line Items]
Cost of revenue		10		20
Research and product development		45		91
Selling, marketing, general and administrative		$ 20		$ 38
DS | Affiliated Entity
Related Party Transaction [Line Items]
Cost of revenue	11		22
Research and product development	2		3
Selling, marketing, general and administrative	$ 8		$ 19