Capital Contribution For Non-Voting Interests

No definition available.

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- Definition

Amount of capital contribution to own voting interest in investee entity.

+ References

No definition available.

+ Details

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- Definition

The percentage of voting interests in common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

No definition available.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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-Publisher FASB
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-SubTopic 10
-Section 50
-Paragraph 20
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-Section 50
-Paragraph 21
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+ Details

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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 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

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Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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+ Details

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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 FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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ORGANIZATION, CONSOLIDATION AND BASIS OF PRESENTATION (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 17, 2015
Premiums Written, Net [Member] \| Homeowners' Insurance Product Line [Member] \| Customer Concentration Risk [Member] \| ISA [Member]
Concentration risk, percentage	24.70%	25.40%	23.90%	23.30%
Monarch Delaware Holdings LLC [Member]
Capital contribution for voting interests	$ 14.0		$ 14.0
Ownership interest in Monarch Parent's equity	42.40%		42.40%
Voting interest held in Monarch Parent's equity	50.00%		50.00%
Long-term debt					$ 5.0
Interest rate percentage					6.00%
Transatlantic Reinsurance Company [Member] \| Monarch Delaware Holdings LLC [Member]
Ownership interest in Monarch Parent's equity	15.20%		15.20%
Capital contribution for non-voting interests	$ 5.0		$ 5.0
Transatlantic Reinsurance Company [Member] \| Monarch Delaware Holdings LLC [Member] \| Senior Debt [Member]
Long-term debt	$ 5.0		$ 5.0
Maturity period of debt			6 years
Interest rate percentage	6.00%		6.00%