Accounts Payable, Accrued Expenses and Other Liabilities - Summary of Accounts Payable, Accrued Expenses and Other Liabilities (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Payables And Accruals [Abstract]
Accounts payable	$ 333,300	$ 94,674
Accrued expenses	2,704,528	2,755,010
Accrued interest expense	3,791,711	3,433,247
Operating lease liabilities	2,150,982	2,149,001
Other liabilities	1,683,816	1,517,633
Total accounts payable, accrued expenses and other liabilities	$ 10,664,337	$ 9,949,565