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v3.25.2

Revenue from Contracts with Customers - Other (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2025 USD ($)
Practical expedient financing component | true
Practical expedient cost of obtaining contract | true
Sales rebate beginning balance | $ 7,956
Current period provision | 8,435
Payments and credits | (4,158)
Sales rebate ending balance | $ 12,233
Minimum |
Typical payment terms on invoiced amounts | 30 days
Maximum |
Typical payment terms on invoiced amounts | 60 days

X
- Definition Amount of accrued sales rebates liabilities current. + References No definition available. + Details
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Namespace Prefix: | gkos_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accrued sales rebates liabilities current payments and credits for current period. + References No definition available. + Details
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Namespace Prefix: | gkos_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of accrued sales rebates liabilities current provision for current period. + References No definition available. + Details
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Namespace Prefix: | gkos_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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

X
- 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
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Balance Type: | na
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X
- 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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Balance Type: | na
Period Type: | duration

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- Details
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- Details
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