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Debt - Borrowings Pursuant to Term Loan and Security Agreements - Additional Information (Details) $ in Thousands, ₩ in Millions	1 Months Ended																																								3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 31, 2026 USD ($)	Jul. 31, 2026 USD ($)	Jul. 31, 2026 KRW (₩)	Jun. 30, 2026 USD ($)	Jun. 30, 2026 KRW (₩)	Apr. 30, 2026 USD ($)	Apr. 30, 2026 KRW (₩)	Mar. 31, 2026	Jan. 31, 2026 USD ($)	Jan. 31, 2026 KRW (₩)	Dec. 31, 2025 USD ($)	Nov. 30, 2025	Oct. 31, 2025 USD ($)	Oct. 31, 2025 KRW (₩)	Sep. 30, 2025 USD ($)	Aug. 31, 2025 USD ($)	Jul. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	May 31, 2025 USD ($)	Apr. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Feb. 28, 2025	Jan. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 30, 2024 USD ($)	Oct. 31, 2024	Sep. 30, 2024	Aug. 31, 2024	Jul. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	May 31, 2024	Apr. 30, 2024 USD ($)	Apr. 30, 2024 KRW (₩)	Mar. 31, 2024 USD ($)	Mar. 31, 2024 KRW (₩)	Dec. 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	May 31, 2022 USD ($)	Jan. 31, 2017 USD ($)	Jul. 31, 2016 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2017 USD ($)	Aug. 31, 2026 KRW (₩)	Jul. 31, 2026 KRW (₩)	Sep. 30, 2025 KRW (₩)	Aug. 31, 2025 KRW (₩)	Jul. 31, 2025 KRW (₩)	Apr. 30, 2025 KRW (₩)	Mar. 31, 2025 KRW (₩)	Jan. 31, 2025 KRW (₩)	Dec. 31, 2024 KRW (₩)	Nov. 30, 2024 KRW (₩)	Jul. 31, 2024 KRW (₩)	Dec. 31, 2023 KRW (₩)	Dec. 31, 2022 KRW (₩)	Sep. 30, 2022 KRW (₩)	May 31, 2022 KRW (₩)	Dec. 31, 2021 KRW (₩)	Dec. 31, 2017 KRW (₩)	Jan. 31, 2017 KRW (₩)	Jul. 31, 2016 KRW (₩)
Borrowings
Amount outstanding				$ 55,081																																					$ 55,081		$ 55,081
Amount repaid																																											2,612	$ 2,212
Borrowings
Borrowings
Amount outstanding				50,081							$ 56,589																														50,081		50,081
KEB Hana Bank \| Borrowings
Borrowings
Principal amount																	$ 5,600			$ 700									$ 6,000											$ 6,700													₩ 8,000.0	₩ 1,000.0					₩ 8,000.0								₩ 9,000.0
Annual interest rate (as a percent)																	4.00%			3.10%									4.90%																								4.00%	3.10%					4.90%
Annual interest rate																																								2.60%
Additional extension term (in years)																																																1 year
Principal amount of loan extended maturity date						$ 700	₩ 1,000.0																									$ 700	₩ 1,000.0
Debt instrument, maturity date						2027-04	2027-04										2026-07			2026-04									2025-07			2025-04	2025-04							2017-07								2024-07
Amount outstanding				5,838							6,271																														5,838		$ 5,838
KEB Hana Bank \| Borrowings \| Subsequent Event
Borrowings
Annual interest rate (as a percent)		5.30%																																																5.30%
Principal amount of loan extended maturity date		$ 5,200	₩ 8,000.0
Debt instrument, maturity date		2027-07	2027-07
KEB Hana Bank \| Borrowings \| Minimum
Borrowings
Annual interest rate																																											2.90%
KEB Hana Bank \| Borrowings \| Maximum
Borrowings
Annual interest rate																																											4.00%
KEB Hana Bank \| Term loan and security agreement, one \| Subsequent Event
Borrowings
Principal amount		$ 5,200																																																₩ 8,000.0
Annual interest rate (as a percent)		5.30%																																																5.30%
Debt instrument, maturity date		2027-07	2027-07
IBK Industrial Bank \| Borrowings
Borrowings
Principal amount																																							$ 6,800																											₩ 9,200.0
Annual interest rate (as a percent)																																3.50%	3.50%						4.10%																											4.10%
Debt instrument, maturity date												2026-11																											2025-11
Amount outstanding				5,968							6,412																														5,968		$ 5,968
IBK Industrial Bank \| Borrowings \| Minimum
Borrowings
Annual interest rate												4.00%						4.10%
IBK Industrial Bank \| Borrowings \| Maximum
Borrowings
Annual interest rate												3.60%						4.00%
Mujin Electronics Co., Ltd. \| Borrowings
Borrowings
Amount outstanding				$ 3,244							$ 3,485																														$ 3,244		$ 3,244
Mujin Electronics Co., Ltd. \| Term loan and security agreement, one
Borrowings
Principal amount																													$ 3,700																														₩ 5,000.0
Annual interest rate (as a percent)				6.80%																																					6.80%		6.80%
Debt instrument, maturity date						2026-10	2026-10				2026-04		2025-12	2025-12				2025-10								2025-06			2025-01
Anapass, Inc, related party \| Borrowings
Borrowings
Amount outstanding				$ 27,571							$ 29,619																														$ 27,571		$ 27,571
Anapass, Inc, related party \| Term loan and security agreement, one
Borrowings
Principal amount																																								$ 4,500																											₩ 6,000.0
Annual interest rate (as a percent)																																								5.50%																											5.50%
Debt instrument, maturity date																	2026-07												2025-07											2024-07
Anapass, Inc, related party \| Term loan and security agreement, one \| Subsequent Event
Borrowings
Principal amount		$ 2,100																																																₩ 3,000.0
Annual interest rate (as a percent)		7.00%																																																7.00%
Debt instrument, maturity date		2027-07	2027-07
Amount outstanding		$ 2,600																																																₩ 4,000.0
Repayment of short term loan		$ 1,300	₩ 2,000.0
Anapass, Inc, related party \| Term loan and security agreement, two
Borrowings
Principal amount																																						$ 2,200																									₩ 3,000.0
Annual interest rate (as a percent)												7.00%																										5.50%																									5.50%
Debt instrument, maturity date												2026-11							2025-11												2025-05							2024-05
Anapass, Inc, related party \| Term loan and security agreement, two \| Subsequent Event
Borrowings
Principal amount	$ 1,400																																																₩ 2,000.0
Anapass, Inc, related party \| Term loan and security agreement, two \| Minimum \| Subsequent Event
Borrowings
Annual interest rate (as a percent)	6.50%																																																6.50%
Anapass, Inc, related party \| Term loan and security agreement, two \| Maximum \| Subsequent Event
Borrowings
Annual interest rate (as a percent)	7.00%																																																7.00%
Anapass, Inc, related party \| Term loan and security agreement, three
Borrowings
Principal amount																																					$ 3,000																									₩ 4,000.0
Annual interest rate (as a percent)															7.00%																						5.50%														7.00%											5.50%
Debt instrument, maturity date															2026-09												2025-09										2024-09
Anapass, Inc, related party \| Term loan and security agreement, four
Borrowings
Principal amount																								$ 3,400																																	₩ 5,000.0
Annual interest rate (as a percent)											7.00%													6.50%																																	6.50%
Debt instrument, maturity date											2026-12													2025-12
Anapass, Inc, related party \| Term loan and security agreement, five
Borrowings
Principal amount																					$ 3,100																																		₩ 4,500.0
Annual interest rate (as a percent)								7.00%													6.50%																																		6.50%
Debt instrument, maturity date								2027-03													2026-03
Anapass, Inc, related party \| Term loan and security agreement, six
Borrowings
Principal amount																	$ 2,100																																				₩ 3,000.0
Annual interest rate (as a percent)																	6.50%																																				6.50%
Debt instrument, maturity date																	2026-07
Anapass, Inc, related party \| Term loan and security agreement, six \| Subsequent Event
Borrowings
Annual interest rate (as a percent)		7.00%																																																7.00%
Debt instrument, maturity date		2027-07	2027-07
Anapass, Inc, related party \| Term loan and security agreement, seven
Borrowings
Principal amount																$ 1,400																																				₩ 2,000.0
Annual interest rate (as a percent)																6.50%																																				6.50%
Debt instrument, maturity date																2026-08
Anapass, Inc, related party \| Term loan and security agreement, seven \| Subsequent Event
Borrowings
Annual interest rate (as a percent)	7.00%																																																7.00%
Debt instrument, maturity date	2027-08
Anapass, Inc, related party \| Term loan and security agreement, eight
Borrowings
Principal amount															$ 10,700																																				₩ 15,000.0
Annual interest rate (as a percent)															7.00%																																				7.00%
Debt instrument, maturity date															2026-09
i Best Investment Co., Ltd \| Borrowings
Borrowings
Principal amount																																				$ 10,300									$ 10,300	$ 10,300														₩ 14,000.0	₩ 14,000.0
Annual interest rate (as a percent)																																				6.50%									6.50%	6.50%														6.50%	6.50%
Debt instrument, maturity date				2026-09	2026-09						2026-06							2025-12	2025-06			2025-05				2025-02																			2024-06	2024-06
Amount outstanding				$ 1,946							$ 2,091																														1,946		1,946
i Best Investment Co., Ltd \| Term loan and security agreement, one
Borrowings
Principal amount																	$ 2,200
Amount repaid																		$ 700
i Best Investment Co., Ltd \| Term loan and security agreement, one \| Subsequent Event
Borrowings
Amount of principal and interest outstanding		$ 1,300																																																₩ 2,000.0
Repayment of short term loan		$ 600	₩ 1,000.0
i Best Investment Co., Ltd \| Term loan and security agreement, draw two
Borrowings
Amount repaid																																				$ 800
i Best Investment Co., Ltd \| Term loan and security agreement, draw three
Borrowings
Amount repaid																														$ 1,400
i Best Investment Co., Ltd \| Term loan and security agreement, draw four
Borrowings
Amount repaid																																		$ 2,300
i Best Investment Co., Ltd \| Term loan and security agreement, draw fifth and sixth
Borrowings
Amount repaid																			$ 1,500
Kyeongho Lee \| Borrowings
Borrowings
Amount outstanding				5,514							$ 8,711																														5,514		5,514
Kyeongho Lee \| Term loan and security agreement, one
Borrowings
Principal amount																								$ 700																																	₩ 1,000.0
Kyeongho Lee \| Term loan and security agreement, two
Borrowings
Debt instrument, maturity date																								2025-01	2024-12
Kyeongho Lee \| Promissory notes
Borrowings
Principal amount																																															$ 400	$ 400																₩ 500.0	₩ 500.0
Debt instrument, maturity date																									2025-11						2024-11			2024-05	2024-05												2024-11	2024-11
Kyeongho Lee \| Promissory notes \| Minimum
Borrowings
Annual interest rate (as a percent)																																															7.50%	7.50%																7.50%	7.50%
Kyeongho Lee \| Promissory notes \| Maximum
Borrowings
Annual interest rate (as a percent)																																															9.00%	9.00%																9.00%	9.00%
Kyeongho Lee \| Term loans
Borrowings
Principal amount																							$ 4,400		$ 2,900																						$ 100	$ 700								₩ 6,500.0		₩ 4,000.0						₩ 110.0	₩ 1,000.0
Annual interest rate (as a percent)																							12.00%	12.00%	12.00%																															12.00%	12.00%	12.00%
Outstanding penalties payable				1,500																																					1,500		$ 1,500
Debt instrument, maturity date																2025-12			2025-08				2025-02		2025-05			2025-08																				2024-11
Repayments of debt principal and outstanding accrued interest				$ 700	₩ 900.0
Amount repaid																																		$ 700	₩ 1,000.0
Repayment of short term loan						$ 1,200	₩ 1,700.0		$ 900	₩ 1,400.0
Percentage of penalty incurred on principal																																											3.00%
Kyeongho Lee \| Term loans \| Location, Statement of Income, Balance [Axis]: us-gaap:InterestExpense
Borrowings
Penalties incurred in event of default of debt																																									$ 500	$ 900	$ 1,100	$ 1,500
Kyeongho Lee \| May 2020 Term Loan Amendment
Borrowings
Amount repaid													$ 100	₩ 110.0