XML 70 R59.htm IDEA: XBRL DOCUMENT v3.25.4

FAIR VALUE MEASUREMENTS - Additional Information (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Fair Value Disclosures [Abstract]
Credit losses on debt investments	$ 0	$ 0

X

- Definition

Credit Losses On Debt Investments

+ References

No definition available.

+ Details

Name:	oled_CreditLossesOnDebtInvestments
Namespace Prefix:	oled_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration