Saddlebrook Rental Pool Operation - Schedule of Financial Information - Balance Sheets (Detail) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Receivables
Total assets	$ 18,805,845	$ 19,355,178
Distribution Fund [Member]
Assets
Receivable from Saddlebrook Resorts, Inc.	221,527	344,366
Liabilities and Participants' Fund Balance
Due to participants for rental pool distribution	184,099	299,020
Due to maintenance escrow fund	37,428	45,346
Total liabilities and participants' fund balance	221,527	344,366
Saddlebrook Rental Pool Operation [Member] | Distribution Fund [Member]
Liabilities and Participants' Fund Balance
Participants' fund balance	0	0	$ 0
Saddlebrook Rental Pool Operation [Member] | Maintenance Escrow Fund [Member]
Assets
Cash in bank	964,616	1,108,892
Receivables
Distribution fund	37,428	45,346
Prepaid expenses and other assets	60,018	14,605
Furniture inventory	41,433	39,651
Total assets	1,103,495	1,208,494
Liabilities and Participants' Fund Balance
Due to Saddlebrook Resorts, Inc.	106,689	127,354
Participants' fund balance	996,806	1,081,140	$ 2,135,913
Total liabilities and participants' fund balance	$ 1,103,495	$ 1,208,494