Segment Reporting - Concentration Percentage (Details)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue | Geographic Concentration Risk | UNITED KINGDOM
Concentration Risk [Line Items]
Concentration risk, percentage		12.00%
Customer A | Managed Services | Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	52.00%	44.00%
Customer A | Managed Services | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	41.00%	38.00%
Customer B | Managed Services | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%	0.00%
Customer C | Collaboration Products | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	14.00%	0.00%
Customer D | Collaboration Products | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	15.00%	0.00%
Customer E | Collaboration Products | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	0.00%	13.00%
Customer F | Collaboration Products | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	0.00%	10.00%