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Summary of Significant Accounting Policies - Schedule of Minimum Future Lease Payments Receivable (Detail)
Sep. 30, 2019
USD ($)
Leases [Abstract]  
For the remaining three months ending December 31, 2019 $ 486,304
December 31, 2020 1,452,866
December 31, 2021 1,395,363
December 31, 2022 1,221,343
December 31, 2023 612,940
December 31, 2024 and thereafter 3,158,088
Total $ 8,326,904