XML 45 R30.htm IDEA: XBRL DOCUMENT v3.21.2

Summary of Significant Accounting Policies - Summary of Available-for-sale Securities (Detail) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 67,946	$ 96,665
Gross Unrealized Gains	0	135
Gross Unrealized Losses	(610)	(483)
Fair Value	67,336	96,317
Guaranteed Investment Certificates [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	33,122	25,132
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	33,122	25,132
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	34,824	71,533
Gross Unrealized Gains	0	135
Gross Unrealized Losses	(610)	(483)
Fair Value	34,214	$ 71,185
Less Than One Year [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	50,510
Gross Unrealized Gains	0
Gross Unrealized Losses	(445)
Fair Value	50,065
Greater Than One Year [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	17,436
Gross Unrealized Gains	0
Gross Unrealized Losses	(165)
Fair Value	$ 17,271

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

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.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=osur_GuaranteedInvestmentCertificatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=osur_CorporateBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=osur_MaturityOfAvailableForSaleSecurityLessThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=osur_MaturityOfAvailableForSaleSecurityGreaterThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: