Investments, Debt Securities by Contractual or Expected Maturity Periods (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Amortized Cost [Abstract]
Due in one year or less, Amortized Cost	$ 19,635,000	$ 16,777,000
Due after one through five years, Amortized Cost	188,397,000	173,236,000
Due after five through ten years, Amortized Cost	136,989,000	98,404,000
Due after ten years, Amortized Cost	26,000	26,000
Total Amortized Cost	345,047,000	288,443,000
Estimated Fair Value [Abstract]
Due in one year or less, Estimated Fair Value	19,659,000	16,797,000
Due after one through five years, Estimated Fair Value	190,047,000	174,273,000
Due after five through ten years, Estimated Fair Value	138,449,000	100,259,000
Due after ten years, Estimated Fair Value	33,000	33,000
Total Estimated Fair Value	348,188,000	291,362,000
Federated National [Member] | United States Treasury Notes Maturing in 2016 [Member]
Estimated Fair Value [Abstract]
Investment on deposit, as required by law for FNIC and MNIC	$ 60,674	$ 61,465
Investment securities, maturity date	Dec. 31, 2016	Dec. 31, 2016
Federated National [Member] | United States Treasury Notes Maturing in 2022 [Member]
Estimated Fair Value [Abstract]
Investment on deposit, as required by law for FNIC and MNIC	$ 2,204,798	$ 2,208,588
Investment securities, maturity date	Dec. 31, 2022	Dec. 31, 2022
Federated National [Member] | Statutory Deposit Held in Trust [Member]
Estimated Fair Value [Abstract]
Investment on deposit, as required by law for FNIC and MNIC	$ 300,000