SUMMARY OF SIGNIFCANT ACCOUNTING POLICIES - Other Income (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accounting Policies [Abstract]
Other income, utility credit	$ 7,205,000	$ 0	[1]

[1] This period presented has been revised to reflect the Company’s fair value change of its underlying warrants. Refer to Note 1—Summary of Significant Accounting Policies, see the section titled Revision of Previously Issued Consolidated Financial Statements for Immaterial Adjustment for further information.