Discontinued Operations and Dispositions - Key Components Of Cash Flows From Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Gain) loss on extinguishment of debt	$ (11,505)	$ 5,274	$ 0
Amortization of financing costs and discounts	2,692	26,090	28,476
Deferred taxes	$ (12,991)	(21,447)	307
Discontinued Operations | J2 Global
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Capital expenditures		15,252	16,237
Depreciation and amortization		9,010	22,759
(Gain) loss on extinguishment of debt		8,750	37,969
Amortization of financing costs and discounts		0	1,171
Foreign currency remeasurement gain		0	31,537
Deferred taxes		$ 8,015	$ 5,534