The amount of commitments raised in a fund.

No definition available.

Name:	plmt_CommitmentsRaised
Namespace Prefix:	plmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maximum potential commitment the company may be obligated to under letters of credit.

+ References

No definition available.

+ Details

Name:	plmt_MaximumPotentialCommitmentUnderLettersOfCredit
Namespace Prefix:	plmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	plmt_Note18CommitmentsGuaranteesandOtherContingenciesDetailsLineItems
Namespace Prefix:	plmt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the portion of the Fund's total capital commitment that is comprised of contractual obligations.

+ References

No definition available.

+ Details

Name:	plmt_PercentOfCapitalCommitments
Namespace Prefix:	plmt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying amount of reserve for unfunded commitments.

+ References

No definition available.

+ Details

Name:	plmt_ReserveForUnfundedCommitments
Namespace Prefix:	plmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of payments made towards the subscription agreement obligation.

+ References

No definition available.

+ Details

Name:	plmt_SubscriptionAgreementPayment
Namespace Prefix:	plmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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

- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

+ Details

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

- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=plmt_SubscriptionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=plmt_PrivateLimitedPartnershipInterestsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=plmt_SmallBusinessAdministrationFundingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 18 - Commitments, Guarantees and Other Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	May 01, 2013
Note 18 - Commitments, Guarantees and Other Contingencies (Details) [Line Items]
Maximum Potential Commitment Under Letters of Credit	$ 2,700,000	$ 3,700,000
Reserve for Unfunded Commitments	472,000plmt_ReserveForUnfundedCommitments	259,000plmt_ReserveForUnfundedCommitments
Operating Leases, Future Minimum Payments Due	33,000
Subscription Agreement Payment	250,000plmt_SubscriptionAgreementPayment	350,000plmt_SubscriptionAgreementPayment
Private Limited Partnership Interests [Member] \| Plexus Fund III, L.P. [Member]
Note 18 - Commitments, Guarantees and Other Contingencies (Details) [Line Items]
Commitments Raised			150,000,000
Small Business Administration Funding [Member] \| Plexus Fund III, L.P. [Member]
Note 18 - Commitments, Guarantees and Other Contingencies (Details) [Line Items]
Commitments Raised			150,000,000
Subscription Agreement [Member]
Note 18 - Commitments, Guarantees and Other Contingencies (Details) [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted			2,000,000
Percent of Capital Commitments	1.30%
Guarantor Obligations, Current Carrying Value	$ 1,400,000