Saddlebrook Rental Pool Operation - Schedule of Financial Information - Statements of Operations (Detail) - Saddlebrook Rental Pool Operation [Member] - Distribution Fund [Member] - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Supplementary Financial Statements For Owners Participating In Condo Rental Pool Agreement [Line Items]
Rental pool revenues	$ 614,217	$ 940,783	$ 5,885,397	$ 6,837,458
Deductions:
Marketing fee	46,066	70,559	441,405	512,809
Management fee	76,777	117,598	735,674	854,682
Travel agent commissions	90,840	133,515	474,728	486,262
Credit card expense	20,839	35,118	153,926	205,591
Rental expenses	234,522	356,790	1,805,733	2,059,344
Net rental income	379,695	583,993	4,079,664	4,778,114
Less operator share of net rental income	(170,863)	(262,797)	(1,835,849)	(2,150,152)
Other revenues (expenses):
Complimentary room revenues	4,083	2,334	25,957	22,252
Minor repairs and replacements	(11,464)	(24,048)	(59,387)	(71,187)
Amount available for distribution	$ 201,451	$ 299,482	$ 2,210,385	$ 2,579,027