Equity Investments - Schedule of Variable Interest Entities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Variable Interest Entity [Line Items]
VIE total assets	$ 2,471,555	$ 2,386,281	$ 2,361,057
VIE total liabilities	537,384	517,334
Diodes' note receivable from VIE	313,492	325,517
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
VIE total assets	41,660	20,273
VIE total liabilities	10,745	4,945
Diodes' equity in VIE	90,035	44,420
Diodes' note receivable from VIE	9,000	4,000
Diodes' interest receivable from VIE	403	245
Diodes' maximum exposure to loss	$ 99,438	$ 48,665