Saddlebrook Rental Pool Operation - Schedule of Financial Information - Balance Sheets (Detail) - USD ($)	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 105,465	$ 698,033
Receivables:
Total assets	23,729,882	23,935,156
Liabilities and Participants' Fund Balance
Accounts payable	559,512	639,533
Distribution Fund [Member]
Assets
Receivable from Saddlebrook Resorts, Inc.	299,482	637,290
Liabilities and Participants' Fund Balance
Due to participants for rental pool distribution	262,797	522,179
Due to maintenance escrow fund	36,685	115,111
Total liabilities and participants' fund balance	299,482	637,290
Saddlebrook Rental Pool Operation [Member] | Maintenance Escrow Fund [Member]
Assets
Cash and cash equivalents	1,559,080	244,558
Receivables:
Distribution fund	36,685	115,111
From owners		1,503
Prepaid expenses and other assets	14,783	51,098
Linen Inventory	25,459
Furniture Inventory	39,651	49,747
Total assets	1,675,658	462,017
Liabilities and Participants' Fund Balance
Accounts payable	44,796	127,625
Participants' fund balance	1,630,862	334,392	$ 268,062	$ 371,247
Total liabilities and participants' fund balance	$ 1,675,658	$ 462,017