Saddlebrook Rental Pool Operation - Schedule of Financial Information - Statements of Operations (Detail) - Saddlebrook Rental Pool Operation [Member] - Distribution Fund [Member] - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Supplementary Financial Statements For Owners Participating In Condo Rental Pool Agreement [Line Items]
Rental pool revenues	$ 1,975,818	$ 3,617,250
Deductions:
Marketing fee	148,186	271,394
Management fee	246,977	452,156
Travel agent commissions	69,230	176,921
Credit card expense	58,349	86,488
Rental expenses	522,742	986,859
Net rental income	1,453,076	2,630,391
Less operator share of net rental income	(653,884)	(1,183,676)
Other revenues (expenses):
Complimentary room revenues	6,251	12,853
Minor repairs and replacements	(32,686)	(29,975)
Amount available for distribution	$ 772,757	$ 1,429,593