The value of percentage agreements for the period.

No definition available.

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Namespace Prefix:	cik0000355379_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of reinsurance recoverable.

+ References

No definition available.

+ Details

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Namespace Prefix:	cik0000355379_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of assumed premiums earned by the entity to net premiums earned.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 235

-Section S99

-Paragraph 2

-Subparagraph (SX 210.12-17)

-URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915

+ Details

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

- Definition

Sum of the amount of guaranteed minimum benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 80

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6484115&loc=d3e19393-158473

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 20

-Section 55

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=6588021&loc=d3e7104-158389

+ Details

Name:	us-gaap_ReinsuranceRecoverableGuaranteeBenefits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after valuation allowance recoverable including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 20

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6824-158387

Reference 2: 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.(a),6)

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

+ Details

Name:	us-gaap_ReinsuranceRecoverables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	dei_LegalEntityAxis=cik0000355379_SecurityNationalLifeInsuranceCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cik0000355379_SagicorLifeInsuranceCompanyMember
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Reinsurance (Narrative) (Details) - USD ($)	1 Months Ended		9 Months Ended
Reinsurance (Narrative) (Details) - USD ($)	Dec. 31, 2000	Dec. 31, 1999	Sep. 30, 2015	Dec. 31, 2014
Amounts recoverable from reinsurers			$ 27,664,804	$ 29,012,678
Security National Life Insurance Corporation [Member]
Percentage Of Co Insurance Agreement			100.00%
Premiums, Percentage Assumed to Net			100.00%
Amounts recoverable from reinsurers			$ 15,628,640	16,375,768
Percentage Of Reinsurance Recoverables			98.00%
Reinsurance Recoverable, Guarantee Benefits			$ 15,600,000
Sagicor Life Insurance Company [Member]
Percentage Of Co Insurance Agreement	25.00%	75.00%
Premiums, Percentage Assumed to Net		75.00%
Amounts recoverable from reinsurers			$ 11,887,252	$ 12,143,472