Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenue	$ 192,433	$ 72,299	$ 77,595
Revenue from divested businesses	0	4,300	18,300
Core services revenue
Disaggregation of Revenue [Line Items]
Total revenue	98,275	53,048	49,449
Managed services revenue
Disaggregation of Revenue [Line Items]
Total revenue	37,154	11,579	21,888
Software subscription revenue
Disaggregation of Revenue [Line Items]
Total revenue	$ 57,004	$ 7,672	$ 6,258