The principal balance amount the entity is required to pay down to by a specified date.

No definition available.

Name:	mlp_DebtInstrumentAmountOfPrincipalBalanceThatCouldBeOutstandingAtSpecifiedDate
Namespace Prefix:	mlp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument after tiered reductions.

+ References

No definition available.

+ Details

Name:	mlp_DebtInstrumentBasisSpreadOnVariableRateAfterTieredReduction
Namespace Prefix:	mlp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the amount of liabilities required to be maintained under financial covenants.

+ References

No definition available.

+ Details

Name:	mlp_DebtInstrumentCovenantRequiredLiabilities
Namespace Prefix:	mlp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the amount of liquidity required to be maintained under financial covenants.

+ References

No definition available.

+ Details

Name:	mlp_DebtInstrumentCovenantRequiredLiquidity
Namespace Prefix:	mlp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the amount of mandatory principal repayment as a percentage of the net proceeds of the sale of non-collateralized real property.

+ References

No definition available.

+ Details

Name:	mlp_DebtInstrumentMandatoryPrincipalRepaymentsAsPercentageNetProceedsOfSaleOfNonCollateralizedRealProperty
Namespace Prefix:	mlp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of mandatory principal repayment as a percentage of the net proceeds of the sale of any real property pledged as collateral.

+ References

No definition available.

+ Details

Name:	mlp_DebtInstrumentMandatoryPrincipalRepaymentsAsPercentageNetProceedsOfSaleOfRealEstatePropertyPledgedAsCollateral
Namespace Prefix:	mlp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	mlp_Note6LongTermDebtDetailsLineItems
Namespace Prefix:	mlp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

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

-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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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

Note 6 - Long-Term Debt (Details) (USD $)			1 Months Ended	6 Months Ended				6 Months Ended			6 Months Ended		6 Months Ended		1 Months Ended
Note 6 - Long-Term Debt (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Wells Fargo Revolving Loans [Member] Honolua Store [Member]	Jun. 30, 2014 Wells Fargo Revolving Loans [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 30, 2014 Wells Fargo Revolving Loans [Member] acre	Dec. 31, 2013 Wells Fargo Revolving Loans [Member]	Jun. 30, 2014 Wells Fargo Revolving Loans [Member] Minimum [Member]	Jun. 30, 2014 American AgCredit Term Loan [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 30, 2014 American AgCredit Term Loan [Member] May 1, 2015 [Member]	Jun. 30, 2014 American AgCredit Term Loan [Member] May 1, 2016 [Member]	Jun. 30, 2014 American AgCredit Term Loan [Member] acre	Dec. 31, 2013 American AgCredit Term Loan [Member]	Jun. 30, 2014 American AgCredit Term Loan [Member] Minimum [Member]	Jun. 30, 2014 American AgCredit Term Loan [Member] Maximum [Member]	Jun. 30, 2014 First Hawaiian Bank Revolving Line of Credit [Member] Honolua Store [Member] acre	Jun. 30, 2014 First Hawaiian Bank Revolving Line of Credit [Member]	Jun. 30, 2014 Minimum [Member]	Jun. 30, 2014 Maximum [Member]
Note 6 - Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 32,700,000											$ 3,500,000
Debt Instrument, Basis Spread on Variable Rate				3.65%				4.00%
Pledged Assets Not Separately Reported Area of Real Estate (in Acres)					880						3,100				1.1
Repayments of Long-term Lines of Credit			1,900,000
Debt Instrument, Covenant Required Liabilities					175,000,000		3,000,000							175,000,000				175,000,000
Line of Credit Facility, Commitment Fee Amount					0
Long-term Debt	48,776,000	49,000,000			29,243,000	29,000,000					19,533,000	20,000,000	15,000,000
Debt Instrument, Interest Rate, Stated Percentage											5.00%	5.00%	1.00%
Debt Instrument Basis Spread on Variable Rate after Tiered Reduction											0.0375
Debt Instrument Amount of Principal Balance that could be Outstanding at Specified Date									17,000,000	15,000,000
Debt Instrument, Covenant Required Liquidity													3,000,000				3,000,000
Debt Instrument Mandatory Principal Repayments as Percentage Net Proceeds of Sale of Real Estate Property Pledged as Collateral											100.00%
Debt Instrument Mandatory Principal Repayments as Percentage Net Proceeds of Sale of Non Collateralized Real Property													60.00%	75.00%
Long-term Line of Credit																$ 0