Represents the area of real estate sold that was previously classified as held for sale.

No definition available.

Name:	mlp_AreaOfRealEstatePropertySold
Namespace Prefix:	mlp_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.14(d))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 14

-Subparagraph d

-Article 9

+ Details

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

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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

Assets Held for Sale and Real Estate Sales (Details) (USD $)	9 Months Ended		1 Months Ended			1 Months Ended	9 Months Ended		1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013 Agriculture acre	Sep. 30, 2013 Real Estate West Maui acre	Dec. 31, 2012 Real Estate Central Maui acre	Jun. 30, 2013 Real Estate Central Maui Agriculture acre	Sep. 30, 2013 Real Estate Central Maui Agriculture acre	Dec. 31, 2012 Real Estate Upcountry Maui acre	Jan. 31, 2012 Real Estate Upcountry Maui Agriculture acre
Assets Held for Sale
Area of parcel held for sale (in acres)				10	7			630
Area of parcel sold (in acres)			7			7	7		89
Proceeds from sale of assets held for sale	$ 3,760,000	$ 405,000				$ 4,000,000			$ 1,500,000
Gain on sale of parcel			$ 1,900,000			$ 1,900,000			$ 1,400,000