Subsequent Events (Details) (Subsequent Event [Member], USD $)	0 Months Ended	6 Months Ended					6 Months Ended
	Aug. 06, 2014	Jun. 30, 2014	Jun. 30, 2014 Monarch Delaware Holdings LLC [Member]	Jul. 18, 2014 Monarch Delaware Holdings LLC [Member] Manager	Jul. 18, 2014 Monarch Delaware Holdings LLC [Member] C.A. Bancorp Inc. [Member] Manager	Jul. 18, 2014 Monarch Delaware Holdings LLC [Member] Transatlantic Reinsurance Company [Member]	Jun. 30, 2014 Monarch Delaware Holdings LLC [Member] Transatlantic Reinsurance Company [Member] Senior Debt [Member]	Jul. 18, 2014 Monarch Delaware Holdings LLC [Member] Transatlantic Reinsurance Company [Member] Senior Debt [Member]	Jul. 18, 2014 Monarch Delaware Holdings LLC [Member] Federated National Underwriters, Inc. [Member]
Joint Venture [Abstract]
Initial equity capitalization of Monarch Parent				$ 33,000,000
Ownership interest in Monarch Parent's equity (in hundredths)				42.40%	42.40%	15.20%
Capital contribution for voting interests				14,000,000	14,000,000	5,000,000
Percentage of written annual premium payable to agents for managing general agent services (in hundredths)									4.00%
Percentage of earned annual premium payable for claims administration services (in hundredths)									3.60%
Administrative fee per-policy underwritten									25
Percentage of assets under management payable as management fee for range one (in hundredths)					0.75%
Maximum threshold limit of assets for range one					100,000,000
Percentage of assets under management payable as management fee for range two (in hundredths)					0.50%
Minimum threshold limit of assets for range two					100,000,000
Maximum threshold limit of assets for range two					200,000,000
Percentage of assets under management payable as management fee for range three (in hundredths)					0.30%
Minimum threshold limit of assets for range three					200,000,000
Long-term debt								5,000,000
Interest rate percentage (in hundredths)								6.00%
Maturity period of debt							6 years
Maximum percentage of reinsurance coverage obtained in any individual reinsurance contract (in hundredths)						15.00%
Number of board of managers				7
Number of board of managers designated by entity				3	3
Number of board of managers jointly selected by entity and co-venturer				1
Period prior to date of termination the entity will be entitled to receive termination fees			12 months
Maximum percentage of outstanding shares having discretionary authority by affiliate of co-venturer (in hundredths)				1.00%
Public Offering [Abstract]
Number of shares of common stock offered in public offering (in shares)	2,358,975
Number of additional shares can be purchased by underwriters (in shares)	307,692
Common stock price per share (in dollars per share)	$ 19.50
Gross proceeds from sale of common stock	43,400,000
Net proceeds from sale of common stock	$ 43,100,000
Period of option to purchase additional shares by underwriters		30 days