Line Of Credit, Delinquency Period

No definition available.

Name:	mnpt_LineOfCreditDelinquencyPeriod
Namespace Prefix:	mnpt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line Of Credit Facility, Minimum Cancellation Notice

+ References

No definition available.

+ Details

Name:	mnpt_LineOfCreditFacilityMinimumCancellationNotice
Namespace Prefix:	mnpt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

LineOfCreditFacilityExpirationDate1

+ References

No definition available.

+ Details

Name:	mnpt_LineOfCreditFacilityRenewalPeriod
Namespace Prefix:	mnpt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line Of Credit, Maturity Period

+ References

No definition available.

+ Details

Name:	mnpt_LineOfCreditMaturityPeriod
Namespace Prefix:	mnpt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum percent of collateral security required of outstanding loan balance.

+ References

No definition available.

+ Details

Name:	mnpt_MinimumCollateralizationRatio
Namespace Prefix:	mnpt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Notice Period For Termination Of Agreement

+ References

No definition available.

+ Details

Name:	mnpt_NoticePeriodForTerminationOfAgreement
Namespace Prefix:	mnpt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Loans Purchased From Related Party

+ References

No definition available.

+ Details

Name:	mnpt_NumberOfLoansPurchasedFromRelatedParty
Namespace Prefix:	mnpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Loans Sold To Related Party

+ References

No definition available.

+ Details

Name:	mnpt_NumberOfLoansSoldToRelatedParty
Namespace Prefix:	mnpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Mortgage Loans Sold

+ References

No definition available.

+ Details

Name:	mnpt_RelatedPartyMortgageLoansSold
Namespace Prefix:	mnpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Related Party Servicing Fees, Percentage

+ References

No definition available.

+ Details

Name:	mnpt_RelatedPartyServicingFeesPercentage
Namespace Prefix:	mnpt_
Data Type:	num:percentItemType
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

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.3)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_DueFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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://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=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120400017&loc=d3e572229-122910

+ Details

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

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
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

The amount for notes payable (written promise to pay), due to related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mnpt_EvangelicalChristianCreditUnionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mnpt_AmericasChristianCreditUnionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mnpt_UnifyFinancialCreditUnionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mnpt_BoardOfDirectorsAndExecutiveManagmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mnpt_NavyFederalCreditUnionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mnpt_KctCreditUnionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mnpt_MPSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=mnpt_MPSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=mnpt_NetworkingAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions (Narrative) (Details)				3 Months Ended	9 Months Ended
Related Party Transactions (Narrative) (Details)	Mar. 20, 2020 USD ($) loan	Jan. 23, 2020 loan	Aug. 14, 2013 USD ($) loan	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) loan	Sep. 30, 2019 loan	Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items]
Loans sold to related party					$ 1,164,000
Facility maturity date					Sep. 30, 2021
Line of credit				$ 52,544,000	$ 52,544,000		$ 71,427,000
ECCU [Member]
Related Party Transaction [Line Items]
Number of Loans purchased from related party \| loan					0	0
Number of loans sold to related party \| loan		1				0
ACCU [Member]
Related Party Transaction [Line Items]
Loans sold to related party				441,000
UFCU [Member]
Related Party Transaction [Line Items]
Number of loans sold to related party \| loan			1
Loans sold to related party			$ 5,000,000
Board of Directors and Executive Management [Member]
Related Party Transaction [Line Items]
Notes held by related parties				213,000	$ 213,000		$ 368,000
Navy Federal Credit Union [Member]
Related Party Transaction [Line Items]
Number of loans sold to related party \| loan	1
Loans sold to related party	$ 5,000,000
Outstanding balance				1,900,000	1,900,000
KCT Credit Union [Member]
Related Party Transaction [Line Items]
Maximum borrowing capacity				$ 7,000,000	$ 7,000,000
Facility maturity date					Sep. 30, 2021
Facility renewal period					1 year
Minimum cancellation notice					30 days
Minimum collateralization ratio				120.00%	120.00%
Line of credit				$ 0	$ 0
Maturity period					120 days
Delinquency period					60 days
Spread over prime rate					0.50%
Minimum [Member] \| MP Securities [Member]
Related Party Transaction [Line Items]
Related party servicing fee					0.25%
Maximum [Member] \| MP Securities [Member]
Related Party Transaction [Line Items]
Related party servicing fee					5.50%
MP Securities [Member] \| ECCU [Member] \| Networking Agreement [Member]
Related Party Transaction [Line Items]
Notice period for termination of agreement					30 days
MP Securities [Member] \| ACCU [Member] \| Networking Agreement [Member]
Related Party Transaction [Line Items]
Notice period for termination of agreement					30 days