SUMMARY OF CRITICAL ACCOUNTING POLICIES AND ESTIMATES - Summary of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Cash and cash equivalents	$ 24,050,252	$ 36,129,941
Restricted cash	100,496,998	100,496,998
Cash and cash equivalents and restricted cash as shown in the consolidated statements of cash flows	$ 124,547,250	$ 136,626,939	$ 12,526,829	$ 10,995,169