Amount of administrative fee payable per-policy underwritten.

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Financial reporting information relating to the business organization.

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

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Premiums written directly by insurer for all property and casualty insurance before adding contracts assumed from other insurers or subtracting any amounts assumed by other insurers and premiums assumed for all property and casualty insurance assumed from other insurers as a result of reinsurance arrangements related to Homeowners subsidiaries.

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Weekly premiums written directly by insurer for all property and casualty insurance before adding contracts assumed from other insurers or subtracting any amounts assumed by other insurers and premiums assumed for all property and casualty insurance assumed from other insurers as a result of reinsurance arrangements related to Homeowners subsidiaries.

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No definition available.

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

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Percentage of increase (decrease) in average weekly new premium written during the period.

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Increased premiums written directly by insurer for all property and casualty insurance before adding contracts assumed from other insurers or subtracting any amounts assumed by other insurers and premiums assumed for all property and casualty insurance assumed from other insurers as a result of reinsurance arrangements related to Homeowners subsidiaries.

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Refers to the minimum number of years the entity has been in the business of writing insurance.

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Number of agents that actively sell and service the entity's product.

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Number of carriers the entity provides insurance through.

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Represents the number of independent agents in a network that is authorized to underwrite homeowners', fire, allied lines and personal and commercial automobile insurance in Florida.

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Refers to percentage commission fee from its affiliate.

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Percentage of total earned annual premium payable for claims administration services.

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- Definition

Element represents percentage of homeowners' gross premium written produced under the agreement with ISA during the period.

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No definition available.

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Represents increase in the percentage of homeowners' gross premium written produced under the agreement with ISA during the period.

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Percentage of total written annual premium, excluding acquisition expenses payable to agents, for managing general agent services.

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Element represents portion of homeowners' gross premium written produced under the agreement with Ivantage Select Agency, Inc. ("ISA") during the period.

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Element represents increased portion of homeowners' gross premium written produced under the agreement with Ivantage Select Agency, Inc. ("ISA") during the period.

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Ratio of automobile insurance premiums underwritten to total premiums underwritten.

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Ratio of commercial general liability premiums underwritten to total premiums underwritten.

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Ratio of federal flood premiums underwritten to total premiums underwritten.

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Ratio of homeowners' premiums underwritten to total premiums underwritten.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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

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Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Organization and Business (Details)	1 Months Ended	2 Months Ended	3 Months Ended		6 Months Ended
Organization and Business (Details)	Jun. 30, 2015 USD ($)	Jun. 09, 2015 USD ($)	Jun. 30, 2015 USD ($) Carrier	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Agent	Jun. 30, 2014 USD ($)
Business Organization [Line Item]
Years in business (minimum)					23 years
Number of independent agents \| Agent					3,800
Number of agents that actively sell and service the entity's products \| Agent					2,300
Ratio of homeowners' premiums underwritten to total premiums underwritten (in hundredths)			93.60%	91.80%	92.70%	91.50%
Ratio of commercial general liability premiums underwritten to total premiums underwritten (in hundredths)			2.90%	3.00%	3.20%	3.40%
Ratio of federal flood premiums underwritten to total premiums underwritten (in hundredths)			1.70%	2.20%	1.60%	2.10%
Ratio of automobile insurance premiums underwritten to total premiums underwritten (in hundredths)			1.80%	3.00%	2.50%	3.00%
Portion of homeowners' gross premium written produced under "ISA"			$ 27,500,000	$ 18,800,000	$ 47,000,000	$ 30,300,000
Percentage of homeowners' gross premium written produced under "ISA" (in hundredths)			22.20%	19.10%	21.30%	17.60%
Homeowners' gross premiums written			$ 123,500,000	$ 98,600,000	$ 221,300,000	$ 172,600,000
Portion of increased homeowners' gross premium written produced under "ISA"			$ 8,700,000		$ 16,700,000
Percentage of increased homeowners' gross premium written produced under "ISA" (in hundredths)			34.90%		34.30%
Increased homeowners' gross premiums written			$ 24,900,000		$ 48,700,000
Original percentage commission fee from its affiliate (in hundredths)			4.00%
Number of carriers the entity provides insurance through \| Carrier			47
Minimum [Member]
Business Organization [Line Item]
Fees earned per policy			$ 25
Maximum [Member]
Business Organization [Line Item]
Fees earned per policy			$ 55
Florida [Member]
Business Organization [Line Item]
Weekly homeowners' gross premiums written	$ 4,900,000	$ 3,300,000
Increase in average weekly new premium written (in hundredths)			47.00%
Monarch Delaware Holdings LLC [Member]
Business Organization [Line Item]
Capital contribution for voting interests	$ 14,000,000		$ 14,000,000		$ 14,000,000
Ownership interest in Monarch Parent's equity (in hundredths)	42.40%		42.40%		42.40%
Voting interest held in Monarch Parent's equity (in hundredths)	50.00%		50.00%		50.00%
Monarch Delaware Holdings LLC [Member] \| C.A. Bancorp Inc. [Member]
Business Organization [Line Item]
Capital contribution for voting interests	$ 14,000,000		$ 14,000,000		$ 14,000,000
Ownership interest in Monarch Parent's equity (in hundredths)	42.40%		42.40%		42.40%
Voting interest held in Monarch Parent's equity (in hundredths)	50.00%		50.00%		50.00%
Monarch Delaware Holdings LLC [Member] \| Transatlantic Reinsurance Company [Member]
Business Organization [Line Item]
Capital contribution for voting interests	$ 5,000,000		$ 5,000,000		$ 5,000,000
Ownership interest in Monarch Parent's equity (in hundredths)	15.20%		15.20%		15.20%
Monarch Delaware Holdings LLC [Member] \| Transatlantic Reinsurance Company [Member] \| Senior Debt [Member]
Business Organization [Line Item]
Long-term debt	$ 5,000,000		$ 5,000,000		$ 5,000,000
Maturity period of debt					6 years
Interest rate percentage (in hundredths)	6.00%		6.00%		6.00%
Monarch Delaware Holdings LLC [Member] \| Federated National Underwriters, Inc. [Member]
Business Organization [Line Item]
Percentage of written annual premium payable to agents for managing general agent services (in hundredths)	4.00%		4.00%		4.00%
Percentage of earned annual premium payable for claims administration services (in hundredths)	3.60%		3.60%		3.60%
Administrative fee per-policy underwritten	$ 25		$ 25		$ 25