REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details)	7 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($)	Sep. 03, 2019 USD ($)	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)
Disaggregation of Revenue [Line Items]
Number of reportable segments | segment			2
Net revenues	$ 80,415,000	$ 140,738,000	$ 337,596,000	$ 282,914,000
Unbilled receivables, current			7,000,000	16,000,000
Contract with customer, liability, revenue recognized			6,400,000	7,400,000
Revenue, remaining performance obligation, amount			$ 9,800,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period			12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount			$ 4,200,000
Revenue, remaining performance obligation, expected timing of satisfaction, period			1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount			$ 5,600,000
Revenue, remaining performance obligation, expected timing of satisfaction, period			1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount			$ 5,200,000
Revenue, remaining performance obligation, expected timing of satisfaction, period			1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period			1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount			$ 400,000
Revenue, remaining performance obligation, expected timing of satisfaction, period			1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount			$ 2,000
Revenue, remaining performance obligation, expected timing of satisfaction, period			1 year
Data Analytics
Disaggregation of Revenue [Line Items]
Net revenues	4,612,000	8,475,000	$ 11,659,000	10,680,000
Data Analytics | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Net revenues	$ 2,500,000	$ 4,600,000	$ 4,900,000	$ 3,800,000