Saddlebrook Rental Pool Operation - Schedule of Financial Information - Statements of Operations (Detail) - Saddlebrook Rental Pool Operation [Member] - Distribution Fund [Member] - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Supplementary Financial Statements For Owners Participating In Condo Rental Pool Agreement [Line Items]
Rental pool revenues	$ 6,815,885	$ 8,190,463
Deductions
Marketing fee	511,191	614,284
Management fee	851,986	1,023,808
Travel agent commissions	510,045	585,086
Bad debt expense	9,393
Credit card expense	189,073	246,519
Rental expenses	2,071,688	2,469,697
Net rental income	4,744,197	5,720,766
Operator share of net rental income	2,134,889	(2,574,345)
Other revenues (expenses)
Complimentary room revenues	31,396	34,546
Minor repairs and replacements	(85,928)	(98,873)
Amounts available for distribution to participants and maintenance escrow fund	$ 2,554,776	$ 3,082,094