Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Mar. 31, 2021 USD ($) Segment shares	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Impairment of hotel properties	$ 0		$ 0
Federal Deposit Insurance Corporation protection limits	250,000
Un-amortized franchise fees	339,001		353,872
Amortization expense	$ 14,871	$ 14,880
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2019
Change in accounting principle, accounting standards update, adopted	true
Accounting Standards Update Extensible List	ASU 2016-02 [Member]
Deferred income taxes	$ 0		0
Minimum percentage of likelihood of realization of deferred tax assets	50.00%
Deferred tax assets valuation allowance percent	100.00%
Uncertain tax positions	$ 0		$ 0
Compensation cost recognized	485,047	183,386
Advertising cost	320,766	500,296
Gain on involuntary conversion of assets	$ 0	12,439
Number of reportable segment | Segment	1
ESOP [Member]
Summary Of Significant Accounting Policies [Line Items]
Compensation cost recognized	$ 22,086	56,516
2013 Plan [Member]
Summary Of Significant Accounting Policies [Line Items]
Shares issued under plan | shares	517,464
Performance-based stock awards granted | shares	0
Compensation cost recognized	$ 462,961	126,870
2013 Plan [Member] | Executives Employees and Directors [Member]
Summary Of Significant Accounting Policies [Line Items]
Unrestricted shares issued under plan | shares	327,381
Restricted shares issued under plan | shares	190,083
2013 Plan [Member] | Employees [Member]
Summary Of Significant Accounting Policies [Line Items]
Stock award vesting period	9 years
Shares issued but not vested | shares	133,115
2013 Plan [Member] | Director [Member]
Summary Of Significant Accounting Policies [Line Items]
Shares issued but not vested | shares	56,968
Shares award vesting date	Dec. 31, 2021
Other Operating Departments [Member]
Summary Of Significant Accounting Policies [Line Items]
Lease revenue	$ 400,000	$ 400,000
ASU 2016-02 [Member]
Summary Of Significant Accounting Policies [Line Items]
Operating Lease, right of use assets, net	8,200,000
Operating lease obligations	$ 6,500,000
Maximum [Member] | 2013 Plan [Member] | Employees and Directors [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted, unrestricted and performance stock awards permitted to grant to employees and directors | shares	750,000
Buildings and Building Improvements [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets	7 years
Buildings and Building Improvements [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets	39 years
Furniture, Fixtures and Equipment [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets	3 years
Furniture, Fixtures and Equipment [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets	10 years