MEZZANINE EQUITY - Narrative (Details)			3 Months Ended		6 Months Ended	9 Months Ended
	May 14, 2021 USD ($) shares	Apr. 01, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($) $ / shares	Sep. 30, 2021 USD ($) vote $ / shares
Temporary Equity [Line Items]
Shares exchanged (in shares) | shares		14,400
Mezzanine equity, net of non-controlling interest		$ 172,774,000	$ 339,286,236		$ 339,286,236	$ 339,286,236
Maximum redemption right valuation			79,669,602	$ 172,774,052	252,443,652
Stronghold LLC
Temporary Equity [Line Items]
Number of votes | vote						1
Q Power LLC | Stronghold LLC
Temporary Equity [Line Items]
Ownership interest		68.90%				68.90%
Q Power LLC
Temporary Equity [Line Items]
Shares exchanged (in shares) | shares		14,400
Stronghold LLC
Temporary Equity [Line Items]
Shares exchanged in business reorganization (in shares) | shares		14,400
Convertible Series A preferred shares
Temporary Equity [Line Items]
Mezzanine equity, net of non-controlling interest			78,041,113		78,041,113	$ 78,041,113
Convertible Series A preferred shares | Private Placement
Temporary Equity [Line Items]
Stock issued and sold during period (in shares) | shares		9,792,000
Sale of stock (in USD per share) | $ / shares		$ 8.68
Sale of stock, consideration received		$ 85,000,000
Payments of fees		6,300,000
Payments of debt issuance costs		$ 631,897
Convertible Series B preferred shares
Temporary Equity [Line Items]
Mezzanine equity, net of non-controlling interest			$ 18,242,733		$ 18,242,733	$ 18,242,733
Convertible Series B preferred shares | Private Placement
Temporary Equity [Line Items]
Stock issued and sold during period (in shares) | shares	1,817,035
Sale of stock, consideration received	$ 20,000,305
Payments of fees	1,600,000
Payments of debt issuance costs	$ 148,575
Common - Class V
Temporary Equity [Line Items]
Mezzanine equity, fair value per share (in USD per share) | $ / shares		$ 6.39	$ 9.33		$ 9.33	$ 9.33
Mezzanine equity, net of non-controlling interest			$ 243,002,390		$ 243,002,390	$ 243,002,390
Maximum redemption right valuation			$ 75,341,142		$ 243,002,391
Common - Class V | Q Power LLC | Stronghold LLC
Temporary Equity [Line Items]
Shares distributed in business reorganization (in shares) | shares		27,072,000