Discontinued Operations and Dispositions - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale of businesses, net	$ 0	$ (24,600)		$ 0	$ (21,798)
Goodwill impairment on business	$ 27,369	0		$ 27,369	32,629
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Voice Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale of businesses, net					2,800
Disposal Group, Disposed of by Sale, Not Discontinued Operations | B2B Backup Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale of businesses, net		$ 24,600			$ 24,600
Disposal Group, Held-for-sale, Not Discontinued Operations | B2B Backup Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment on business			$ 32,600