XML 93 R75.htm IDEA: XBRL DOCUMENT
v3.21.2

Defined Benefit Pension Plan - Additional Information (Details) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 GBP (£) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($)
Defined benefit pension plan |  |  |  |
Defined benefit plan, funded status of plan |  | $ 1,253 | $ 724 |
Benefit obligation |  | $ 26,955 | $ 26,047 | $ 23,240
Defined benefit plan long term rate of improvement (as a percentage) | 1.30% |  |  |
Maximum |  |  |  |
Defined benefit pension plan |  |  |  |
Expected contributions | £ | £ 10,000,000 |  |  |
Males |  |  |  |
Defined benefit pension plan |  |  |  |
Defined benefit plan mortality rate (as a percentage) | 105.00% |  |  |
Females |  |  |  |
Defined benefit pension plan |  |  |  |
Defined benefit plan mortality rate (as a percentage) | 105.00% |  |  |

X
- Definition Defined Benefit Plan, Expected Future Employer Contributions + References No definition available. + Details
Name: | lqdt_DefinedBenefitPlanExpectedFutureEmployerContributions
Namespace Prefix: | lqdt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the long-term rate of improvement under the defined benefit plan. + References No definition available. + Details
Name: | lqdt_DefinedBenefitPlanLongTermRateOfImprovement
Namespace Prefix: | lqdt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the rate of mortality under the defined benefit plan. + References No definition available. + Details
Name: | lqdt_DefinedBenefitPlanMortalityRate
Namespace Prefix: | lqdt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanBenefitObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123453770&loc=d3e1703-114919 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
Name: | us-gaap_DefinedBenefitPlanFundedStatusOfPlan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=lqdt_MalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=lqdt_FemalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |