NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Basic:
Net income attributable to Class A common shareholders	[1]	$ 3,865	$ 0
Net income attributable to Class A common shareholders (in shares)	[1]	18,696,000	0
Net income attributable to Class A common shareholders (in USD per share)	[1]	$ 0.21	$ 0
Effect of dilutive securities:
Replacement Awards		$ 0	$ 0
Replacement Awards (in shares)		17,000	0
Replacement Awards (in dollars per share)		$ 0	$ 0
Diluted:
Net income attributable to Class A Common Shareholders		$ 3,865	$ 0
Net income (loss) attributable to Class A common shareholders (in shares)	[1]	18,713,000	0
Net income (loss) attributable to Class A common shareholders (in USD per share)	[1]	$ 0.21	$ 0

[1] The results of the legacy ALTM business are not included in the Company’s consolidated financials prior to February 22, 2022. Refer to the Form 10-Q basis of presentation in Note 1—Description of the Organization and Summary of Significant Accounting Policies, for further information on the Company’s basis of presentation.