Related Party Transactions - Amounts Due from Related Parties (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	$ 1,966,456	$ 1,654,129
Saddlebrook Resort Condominium Association, Inc. [Member]
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	123,324	159,185
Saddlebrook International Sports, LLC [Member]
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	569,224	402,456
Dempsey Resort Management, Inc. [Member]
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	4,608	4,608
Saddlebrook Properties LLC [Member]
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	5,463	5,325
Saddlebrook Realty, Inc. [Member]
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	1,235,382	1,059,096
Saddlebrook Investments, Inc. [Member]
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	19,508	19,508
Other [Member]
Schedule of Other Related Party Transactions [Line Items]
Due from related parties	$ 8,947	$ 3,951