Amount of consideration receivable for the disposal of assets and liabilities, including discontinued operation.

No definition available.

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Balance Type:	debit
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- Definition

Number of art fairs in period cancelled.

+ References

No definition available.

+ Details

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Namespace Prefix:	leaf_
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- Definition

Number of art fairs in period postponed and/or rescheduled.

+ References

No definition available.

+ Details

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- Definition

Represents term of agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	leaf_
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of the required periodic payments applied to interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	debit
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

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Balance Type:
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- Details

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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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- Details

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Subsequent Events (Details) $ in Millions			3 Months Ended			7 Months Ended
Subsequent Events (Details) $ in Millions	Apr. 24, 2020 USD ($)	Apr. 20, 2020 USD ($)	Sep. 30, 2020 item	Jun. 30, 2020 item	Mar. 31, 2020 item	Nov. 19, 2020 USD ($)
Subsequent Events
Number of art fairs rescheduled \| item					2
Interest rate (as a percent)					5.25%
Forecast
Subsequent Events
Number of art fairs rescheduled \| item				3
Number of art fairs cancelled \| item			1	2
Subsequent Event \| Services Agreement \| Hearst
Subsequent Events
Term of agreement	3 years
Subsequent Event \| Disposal Group, Not Discontinued Operations \| Hearst Content
Subsequent Events
Consideration received or receivable	$ 9.5
Consideration received	4.0
Consideration receivable	$ 5.5
Subsequent Event \| Promissory Note, PPP Loan
Subsequent Events
Loan amount		$ 7.1
Interest rate (as a percent)		1.00%
Debt term		2 years
Subsequent Event \| Promissory Note, PPP Loan \| Forecast
Subsequent Events
Required interest payment						$ 0.0