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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 |  |

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