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, 2017	Mar. 31, 2016
Supplementary Financial Statements For Owners Participating In Condo Rental Pool Agreement [Line Items]
Rental pool revenue	$ 3,805,618	$ 3,636,773
Deductions:
Marketing fee	285,421	272,758
Management fee	475,702	454,597
Travel agent commissions	113,575	88,535
Credit card expense	80,535	71,508
Bad debt expense	25,000
Rental expenses	980,233	887,398
Net rental income	2,825,385	2,749,375
Less operator share of net rental income	(1,553,962)	(1,237,219)
Other revenues (expenses):
Complimentary room revenues	9,490	16,899
Minor repairs and replacements	(32,419)	(72,955)
Amount available for distribution	$ 1,531,033	$ 1,456,100