Saddlebrook Rental Pool Operation - Schedule of Financial Information - Statements of Operations (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Deductions
Bad debt expense
Saddlebrook Rental Pool Operation [Member] | Distribution Fund [Member]
Supplementary Financial Statements For Owners Participating In Condo Rental Pool Agreement [Line Items]
Rental pool revenues	8,190,463	$ 8,594,792
Deductions
Marketing fee	614,284	644,609
Management fee	1,023,808	1,074,349
Travel agent commissions	585,086	590,694
Bad debt expense		45,000
Credit card expense	246,519	251,976
Rental expenses	2,469,697	2,606,628
Net rental income	5,720,766	5,988,164
Operator share of net rental income	(2,574,345)	(2,694,673)
Other revenues (expenses)
Complimentary room revenues	34,546	35,214
Minor repairs and replacements	(98,873)	(106,756)
Amounts available for distribution to participants and maintenance escrow fund	$ 3,082,094	$ 3,221,949