Discontinued Operations and Disposition of Businesses - Major Classes of Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Total current assets, discontinued operations	$ 0	$ 114,247
Total assets, discontinued operations	0	805,568
LIABILITIES
Total current liabilities, discontinued operations	0	143,474
Total liabilities, discontinued operations	$ 0	125,977
Spinoff | J2 Cloud Services
ASSETS
Cash and cash equivalents		61,979
Accounts receivable, allowances		4,322
Accounts receivable, net of allowances $4,322		26,174
Prepaid expenses and other current assets		26,094
Total current assets, discontinued operations		114,247
Property and equipment, net		34,028
Operating lease right-of-use assets		30,230
Intangibles, net		137,112
Goodwill		582,067
Notes receivable from related parties, noncurrent		8,834
Deferred income taxes, noncurrent		9,772
Other assets		3,525
Total assets, discontinued operations		805,568
Total assets, discontinued operations		919,815
LIABILITIES
Accounts payable and accrued expenses		48,243
Income taxes payable, current		8,224
Deferred revenue, current		79,277
Operating lease liabilities, current		7,235
Other current liabilities		495
Total current liabilities, discontinued operations		143,474
Deferred revenue, noncurrent		14,200
Operating lease liabilities, noncurrent		23,758
Liability for uncertain tax positions		49,268
Deferred income taxes, noncurrent		16,003
Other long-term liabilities		22,748
Total liabilities, discontinued operations		125,977
Total liabilities, discontinued operations		$ 269,451