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v3.25.3

Revenues - Schedule of Deferred Revenue (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Contract With Customer, Liability [Roll Forward] |  |
Beginning balance | $ 108,000 | $ 120,502
Receipts, net of refunds | 709,041 | 795,425
Revenue recognized | (709,291) | (807,621)
Ending balance | $ 107,750 | $ 108,306

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- Definition Contract With Customer, Liability, Including New Contract Revenue, Recognized + References No definition available. + Details
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Period Type: | duration

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- Definition Contract With Customer, Liability, Increase From Cash Receipts Net Of Refunds + References No definition available. + Details
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Namespace Prefix: | gci_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Contract With Customer, Liability + References No definition available. + Details
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Namespace Prefix: | gci_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
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Namespace Prefix: | us-gaap_
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