Schedule of Geographic Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 285.4	$ 208.9	$ 199.8
Total non- current assets excluding goodwill	106.9	122.6
UNITED KINGDOM
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	209.5	149.1	152.3
Total non- current assets excluding goodwill	83.2	90.0
GREECE
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	22.9	18.6	17.0
Total non- current assets excluding goodwill	6.7	11.6
Rest of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	53.0	41.2	$ 30.5
Total non- current assets excluding goodwill	$ 17.0	$ 21.0