Summary of Significant Accounting Policies - Additional Information (Details)	Jun. 30, 2019 USD ($) Property	Jan. 01, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Operating leases, right-of-use assets	$ 1,689,247
ASU 2016-02 [Member] | The 5050 MF Property [Member]
Summary Of Significant Accounting Policies [Line Items]
Operating leases, right-of-use assets		$ 1,700,000
Operating leases, liabilities for current leases		$ 2,200,000
Lessee operating lease discount rate		6.60%
Greens Hold Co [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of Real Estate Properties | Property	1
Ownership interest percentage in MF property	100.00%