Allocated share based compensation expense (benefit).

No definition available.

Name:	oled_AllocatedShareBasedCompensationExpenseBenefit
Namespace Prefix:	oled_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Share based compensation arrangement by share based payment award equity instruments other than options grants in period grant date fair value.

+ References

No definition available.

+ Details

Name:	oled_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue
Namespace Prefix:	oled_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=oled_NonEmployeeMembersOfScientificAdvisoryBoardMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_VestingAxis=oled_PerformanceBasedVestingRequirementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=oled_MarketBasedVestingRequirementMember
Namespace Prefix:
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STOCK-BASED COMPENSATION, Equity Instruments Other Than Options - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Stock-based compensation, aggregate disclosures [Abstract]
Fair value of shares withheld for tax withholding obligations			$ 4,840,000
Restricted Stock [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Grants in period (shares)			137,720
Total fair value of performance unit awards granted			$ 8,500,000
Shares withheld for tax withholding obligations (in shares)			83,553	98,635
Fair value of shares withheld for tax withholding obligations			$ 4,400,000	$ 4,200,000
Restricted Stock [Member] \| Selling, General and Administrative Expenses [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Compensation expense	$ 1,900,000	$ 1,900,000	5,300,000	4,400,000
Restricted Stock [Member] \| Research and Development Expense [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Compensation expense	376,000	492,000	1,400,000	1,400,000
Restricted Stock [Member] \| Cost of Material Sales [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Compensation expense	94,000	4,600	$ 352,000	11,000
Restricted Stock [Member] \| Minimum [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Restricted stock awards and units vesting terms			3 years
Restricted Stock [Member] \| Maximum [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Restricted stock awards and units vesting terms			5 years
Restricted Stock Units (RSUs) [Member] \| Research and Development Expense [Member] \| Non Employee Members of Scientific Advisory Board [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Compensation expense (credit)	10,000	(51,000)	$ 174,000	$ 223,000
Performance Shares [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Grants in period (shares)			25,045
Total fair value of performance unit awards granted			$ 1,500,000
Shares withheld for tax withholding obligations (in shares)			0	16,071
Fair value of shares withheld for tax withholding obligations			$ 0	$ 752,000
Performance Shares [Member] \| Performance-Based Vesting Requirement [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Grants in period (shares)			12,520
Performance Shares [Member] \| Market-Based Vesting Requirement [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Grants in period (shares)			12,525
Performance Shares [Member] \| Selling, General and Administrative Expenses [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Compensation expense	281,000	219,000	$ 836,000	723,000
Performance Shares [Member] \| Research and Development Expense [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Compensation expense	78,000	58,000	232,000	200,000
Performance Shares [Member] \| Cost of Material Sales [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Compensation expense	$ 29,000	$ 0	$ 85,000	$ 0