The amount owed to modified co insurance deposit account as at the end of the reporting period.

No definition available.

Name:	mdwt_AmountDueToReinsurer
Namespace Prefix:	mdwt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of reinsurance contingency reserve as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	mdwt_ContingencyReserves
Namespace Prefix:	mdwt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of one time reinsurance funding for a quota share of the liabilities of American Life arising from its FIA products.

+ References

No definition available.

+ Details

Name:	mdwt_OneTimeReinsuranceFundingForQuotaShareOfLiabilities
Namespace Prefix:	mdwt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of indemnity coinsurance.

+ References

No definition available.

+ Details

Name:	mdwt_PercentageOfIndemnityCoinsurance
Namespace Prefix:	mdwt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of quota share of liabilities

+ References

No definition available.

+ Details

Name:	mdwt_PercentageOfQuotaShareOfLiabilities
Namespace Prefix:	mdwt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of quota share of certain liabilities with respect to fixed indexed annuity.

+ References

No definition available.

+ Details

Name:	mdwt_PercentageOfQuotaShareOfLiabilitiesFixedIndexedAnnuity
Namespace Prefix:	mdwt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of quota share of certain liabilities with respect to multi year guaranteed annuity.

+ References

No definition available.

+ Details

Name:	mdwt_PercentageOfQuotaShareOfLiabilitiesMultiYearGuaranteedAnnuity
Namespace Prefix:	mdwt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The value of assets transferred on behalf of US Alliance to the reinsurer upon conversion of block of business from a Funds Withheld agreement to a Funds Paid Coinsurance agreement.

+ References

No definition available.

+ Details

Name:	mdwt_ValueOfAssetsTransferredToReinsurerUponConversion
Namespace Prefix:	mdwt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, after premiums ceded to other entities and premiums assumed by the entity, of other types of premiums earned.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=84167274&loc=d3e27175-158546

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (a)(2)
-URI https://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(1))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

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

- Definition

Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

+ 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 210.5-02.24)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Details

Name:	us-gaap_TypeOfArrangementAxis=mdwt_SenecaReAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsegmentsAxis=mdwt_MultiYearGuaranteedAnnuityBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsegmentsAxis=mdwt_FixedIndexedAnnuityBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=mdwt_SenecaReProtectedCellThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=mdwt_MultiYearGuaranteedAnnuityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=mdwt_FixedIndexAnnuityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=mdwt_USAllianceLifeAndSecurityCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=mdwt_UsAllianceAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=mdwt_AmericanLifeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=mdwt_FundsWithheldCoinsuranceAndModifiedCoinsuranceAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=mdwt_AmericanLifeAndSecurityNationalLifeInsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=mdwt_SenecaReProtectedCellFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsegmentsAxis=mdwt_MultiYearGuaranteedAnnuityBusinessProductFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsegmentsAxis=mdwt_MultiYearGuaranteedAnnuityBusinessProductThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Reinsurance (Narrative) (Details) - USD ($) $ in Thousands						6 Months Ended
Reinsurance (Narrative) (Details) - USD ($) $ in Thousands	Feb. 28, 2023	Sep. 30, 2022	Nov. 10, 2021	Jun. 26, 2021	Apr. 24, 2020	Jun. 30, 2023	Dec. 31, 2022
Contingency reserves						$ 0	$ 0
Seneca Re Agreement \| MYGA
Percentage of indemnity coinsurance					25.00%
Seneca Re Agreement \| FIA
Percentage of indemnity coinsurance					40.00%
SRC3 \| Multi Year Guaranteed Annuity
Percentage of indemnity coinsurance			45.00%
SRC3 \| Fixed Index Annuity
Percentage of indemnity coinsurance			45.00%
One time reinsurance funding							$ 10,000
US Alliance Life and Security Company
Value of assets transferred to the reinsurer						$ 37,900
US Alliance Life and Security Company \| US Alliance Agreement \| MYGA
Percentage of multi year guaranteed annuity						20.00%
American Life \| FW, Modco Agreement \| MYGA
Percentage of multi year guaranteed annuity						45.00%
American Life \| FW, Modco Agreement \| FIA
Percentage of fixed indexed annuity						45.00%
American Life and Security National Life Insurance [Member]
Percentage of quota share of liabilities	0.00%
American Life and Security National Life Insurance [Member] \| US Alliance Agreement \| MYGA
Percentage of multi year guaranteed annuity				20.00%
American Life and Security National Life Insurance [Member] \| US Alliance Agreement \| FIA
Percentage of fixed indexed annuity				20.00%		20.00%
SRC4
Net premium income		$ 21,400				$ 21,400
Net statutory reserves						$ 21,500
Amount owed deposit account		$ 21,500
SRC4 \| Seneca Re Agreement \| MYGA-5
Percentage of indemnity coinsurance						45.00%
Percentage of multi year guaranteed annuity		45.00%
SRC4 \| Seneca Re Agreement \| MYGA-3
Percentage of indemnity coinsurance						10.00%