XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.25.3

Revenue Recognition (Schedule of Receivables, Contract Acquisition Costs, and Deferred Revenue) (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Contract Acquisition Costs (Non-current) |  |
Contract acquisition costs non-current, opening balance | $ 33,559 | $ 37,354
Capitalized contract costs, period increase (decrease), net | (6,312) | (3,795)
Contract acquisition costs non-current, ending balance | 27,247 | 33,559
Deferred Revenue (Current and Non-current) |  |
Deferred revenue current, opening balance | 57,980 | 81,858
Contract with customer liability, current, Increase (decrease), net | (1,980) | (23,878)
Deferred revenue current, ending balance | 56,000 | 57,980
Deferred revenue non-current, opening balance | 323 | 183
Contract with customer liability, non-current, Increase (decrease), net | (255) | 140
Deferred revenue non-current, ending balance | $ 68 | $ 323

X
- Definition Capitalized Contract Costs, Period Increase (Decrease), Net + References No definition available. + Details
Name: | lpsn_CapitalizedContractCostsPeriodIncreaseDecreaseNet
Namespace Prefix: | lpsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract with customer liability, current, Increase (decrease), net + References No definition available. + Details
Name: | lpsn_ContractWithCustomerLiabilityCurrentIncreaseDecreaseNet
Namespace Prefix: | lpsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract with customer liability, non-current, Increase (decrease), net + References No definition available. + Details
Name: | lpsn_ContractWithCustomerLiabilityNonCurrentIncreaseDecreaseNet
Namespace Prefix: | lpsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract With Customer, Liability + References No definition available. + Details
Name: | lpsn_ContractWithCustomerLiabilityRollForward
Namespace Prefix: | lpsn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Movement In Contract Acquisition Costs + References No definition available. + Details
Name: | lpsn_MovementInContractAcquisitionCostsRollForward
Namespace Prefix: | lpsn_
Data Type: | xbrli:stringItemType
Balance Type: | na
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; classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostNetNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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 -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 2: 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 3: 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
Name: | us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: 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 2: 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 3: 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
Name: | us-gaap_ContractWithCustomerLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant