Indirect Hotel Operating Expenses - Summary of Indirect Hotel Operating Expenses (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	$ 17,389,680	$ 15,233,256
Sales and Marketing [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	4,233,323	3,727,422
General and Administrative [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	3,812,473	3,442,458
Repairs and Maintenance [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	2,020,593	1,801,142
Utilities [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	1,506,663	1,401,978
Property Taxes [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	1,730,466	1,537,374
Management Fees, Including Incentive [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	1,397,689	1,115,859
Franchise Fees [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	1,128,751	923,524
Insurance [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	750,942	634,669
Information and Telecommunications [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	623,078	381,604
Other [Member]
Component Of Operating Cost And Expense [Line Items]
Total indirect hotel operating expenses	$ 185,702	$ 267,226