Related Party Transactions (Details) - USD ($)		12 Months Ended
	Feb. 20, 2003	Dec. 31, 2017	Dec. 31, 2016	Mar. 30, 2009
Related Party Transaction [Line Items]
Purchased trust preferred security offering	$ 4,000,000
Number of shares issued (in shares)		2,560	3,575
Ownership interest in aircraft		30.10%
Costs associated with aircraft		$ 328,933	$ 418,104
Administrative Services and Cost		$ 7,213,590	$ 7,561,326
Servicing fee on loan		0.25%
Loan origination		0.50%	0.50%
Servicing fees		$ 11,108	$ 13,517
Origination fees		0
Reimbursement cost		186,251	269,262
Total reimbursement payment		346,486	335,769
Loans participated to FSF		250,000	250,000
Rent Paid Per Month		2,000
Rental cost Paid to FSNB		24,000	8,000
UTG/FSF Partnership Amt Contributed		$ 140,000
FSF Ownership in Partnership		10.00%
FSBI [Member]
Related Party Transaction [Line Items]
Term for mandatory redemption		P30Y
Term for call provision		P5Y
Dividend rate		6.515%
Dividend income		$ 259,138	$ 264,946
Equity Method Investments				$ 1,000,000