XML 65 R50.htm IDEA: XBRL DOCUMENT
v3.22.1

Revenue recognition - Deferred Contracts Costs Rollforward (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Deferred contract costs [Roll Forward] |  |  |
Balance at Beginning of Period | $ 25,837 | $ 14,380 | $ 6,733
Additions | 36,509 | 18,943 | 10,685
Amortization Expense | (17,801) | (7,486) | (3,038)
Balance at End of Period | $ 44,545 | $ 25,837 | $ 14,380

X
- Definition Capitalized Contract Cost, Amount Capitalized During the Period + References No definition available. + Details
Name: | udmy_CapitalizedContractCostAmountCapitalizedDuringThePeriod
Namespace Prefix: | udmy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Capitalized Contract Cost + References No definition available. + Details
Name: | udmy_CapitalizedContractCostRollForward
Namespace Prefix: | udmy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054 + Details
Name: | us-gaap_CapitalizedContractCostAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054 + Details
Name: | us-gaap_CapitalizedContractCostNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant