Area of land held.

No definition available.

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Value of property contributed in noncash investing and financing activities.

+ References

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Balance Type:	debit
Period Type:	duration

- Definition

This element represents disclosure of the amount of gain which has been deferred as the result of the sale of a business or operating assets to a highly leveraged entity which deferred gain has been reflected in the accompanying statement of financial position as reduction from the related asset.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 45
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-Subparagraph (b)
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-Subparagraph (SX 210.9-04(13)(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

+ Details

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

- Definition

Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=mlp_JointVentureAgreementWithBRE2LLCMember
Namespace Prefix:
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Balance Type:
Period Type:

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Note 5 - Investment in Unconsolidated Joint Venture (Details Textual) $ in Thousands	1 Months Ended			12 Months Ended
	Feb. 28, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) a	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) a
Income (Loss) from Equity Method Investments				$ 341
Joint Venture Agreement With BRE2 LLC [Member]
Area of Land (Acre) \| a			31		31
Contribution of Property			$ 1,600
Proceeds from Sale, Property, Held-for-Sale		$ 1,800
Proceeds from Equity Method Investment, Distribution, Return of Capital				$ 1,000
Joint Venture Agreement With BRE2 LLC [Member] \| Forecast [Member]
Proceeds from Sale, Property, Held-for-Sale	$ 2,400
Proceeds from Equity Method Investment, Distribution, Return of Capital	1,100
Income (Loss) from Equity Method Investments	600
Equity Method Investment, Deferred Gain on Sale	$ 500