Resort Revenues and Operating Costs of Resort - Resort Revenues and Operating Costs of Resort (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	$ 26,309,406	$ 29,535,732
Operating costs	22,376,484	24,400,001
Room Revenue Subject to Rental Pool Agreement [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	6,815,885	8,190,463
Food and Beverage [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	9,569,352	10,679,402
Operating costs	5,550,086	5,927,775
Resort Facilities and Other [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	9,924,169	10,665,867
Operating costs	14,271,648	15,390,132
Distribution to Rental Pool Participants [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Operating costs	$ 2,554,750	$ 3,082,094