SHARE PURCHASE AND SUBSCRIPTION AGREEMENTS - Redeemable Noncontrolling Interest (Details) - USD ($)	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Increase (Decrease) in Temporary Equity
Beginning balance	$ 43,446,684
Net loss attributable to redeemable non-controlling interest	3,768,535	$ 1,542,402
Accretion of non-controlling interest to redemption value	421,399	373,748
Ending balance	47,636,617
MG SPV
Increase (Decrease) in Temporary Equity
Beginning balance	6,812,080	5,472,841
Net loss attributable to redeemable non-controlling interest	(38,219)	(65,901)
Accretion of non-controlling interest to redemption value	421,399	373,748
Ending balance	7,195,260	5,780,688
Heartland SPV
Increase (Decrease) in Temporary Equity
Beginning balance	36,634,604	26,138,833
Net loss attributable to redeemable non-controlling interest	3,806,753	1,608,303
Accretion of non-controlling interest to redemption value	0	0
Ending balance	$ 40,441,357	$ 27,747,136

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
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- Definition

Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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