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Revenue Recognition - Deferred Revenue and Customer Deposits Rollforward (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Customer Contracts Liability, Current |  |
Beginning balance | $ 35,743 | $ 21,274
Deferred revenue and customer deposits | 39,076 | 31,907
Recognition of revenue deferred in prior period | (31,520) | (17,403)
Foreign exchange rate changes | (2,512) | (35)
End balance | $ 40,787 | $ 35,743

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- Definition Contract with Customer, Liability, Current And Prior Period Revenue Recognized + References No definition available. + Details
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- Definition Contract With Customer, Liability, Period Increase (Decrease) + References No definition available. + Details
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- Definition Customer Contracts Liability Current [Roll Forward] + References No definition available. + Details
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Namespace Prefix: | cgnx_
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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, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 + Details
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