CONCENTRATION OF RISK - Revenues and Accounts Receivable From Our Largest Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Concentration Risk [Line Items]
Accounts Receivable	$ 119,953	$ 113,648
Major Customer A [Member] \| Total Revenue [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
% of Total Revenue	43.00%	43.00%	36.00%
Major Customer A [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Accounts Receivable	$ 69,564	$ 37,899	$ 38,105
Major Customer B [Member] \| Total Revenue [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
% of Total Revenue	21.00%	23.00%	23.00%
Major Customer B [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Accounts Receivable	$ 30,378	$ 25,751	$ 30,142
Major Customer C [Member] \| Total Revenue [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
% of Total Revenue	15.00%	16.00%	17.00%
Major Customer C [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Accounts Receivable	$ 3,539	$ 13,258	$ 38,529

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 275
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147478785/954-310-50-2

+ Details

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details

UNIVERSAL DISPLAY CORP \PA\ 10-K