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v3.23.3

Revenue from Contracts with Customers - Other (Details) | 9 Months Ended
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Sep. 30, 2023
Revenue from Contracts with Customers |
Typical payment terms on invoiced amounts | 30 days
Practical expedient financing component | true
Practical expedient cost of obtaining contract | true

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- Definition The typical payment terms on invoiced amounts. + References No definition available. + Details
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Namespace Prefix: | gkos_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Indicates (true false) whether practical expedient was elected not to adjust consideration for effect of financing component when transfer and customer payment for product or service occurs within one year or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-22 + Details
Name: | us-gaap_RevenuePracticalExpedientFinancingComponent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

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- Definition Indicates (true false) whether practical expedient was elected to recognize incremental cost of obtaining contract as expense when incurred if amortization period would have been one year or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-5 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration