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Summary of Significant Accounting Policies - Schedule of Minimum Future Lease Payments Receivable (Detail)
Mar. 31, 2018
USD ($)
Leases [Abstract]  
For the remaining nine months ending: December 31, 2018 $ 1,040,432
December 31, 2019 997,511
December 31, 2020 991,550
December 31, 2021 928,223
December 31, 2022 810,364
December 31, 2023 and thereafter 4,266,894
Total $ 9,034,974