Resort Revenues and Operating Costs of Resort - Resort Revenues and Operating Costs of Resort (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	$ 29,535,732	$ 30,142,484
Operating costs of resort	24,400,001	25,130,083
Room Revenue Subject to Rental Pool Agreement [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	8,190,463	8,594,792
Food and Beverage [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	10,679,402	10,467,208
Operating costs of resort	5,927,775	6,270,265
Resort Facilities and Other [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Resort revenues	10,665,867	11,080,484
Operating costs of resort	15,390,132	15,637,869
Distribution to Rental Pool Participants [Member]
Resort Revenues And Operating Costs Of Resort [Line Items]
Operating costs of resort	$ 3,082,094	$ 3,221,949