Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Assets
Total assets at fair value	$ 2,131,188	$ 1,961,455
Marketable Equity Securities
Assets
Total assets at fair value	2,131,187	1,961,451
Interest Rate Cap Derivative
Assets
Total assets at fair value	1	4
Level 1
Assets
Total assets at fair value	2,131,187	1,961,451
Level 1 | Marketable Equity Securities
Assets
Total assets at fair value	2,131,187	1,961,451
Level 2
Assets
Total assets at fair value	1	4
Level 2 | Interest Rate Cap Derivative
Assets
Total assets at fair value	$ 1	$ 4