Discontinued Operations (Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of tax	$ (261,058)	$ (30,331)	$ (310,789)	$ (162,092)
Ecommerce | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	115,797	280,718	728,462	842,261
Cost of revenue	120,167	291,974	737,856	854,408
Selling, general and administrative	39,536	26,673	99,806	90,911
Goodwill impairment	0	0	0	75,390
Other	7,017	5,702	10,463	18,825
Total costs and expenses	166,720	324,349	848,125	1,039,534
Loss from discontinued operations	(50,923)	(43,631)	(119,663)	(197,272)
Loss on sale	(218,847)	0	(218,847)	0
Loss from discontinued operations before taxes	(269,770)	(43,631)	(338,510)	(197,272)
Tax benefit	(8,712)	(13,300)	(27,721)	(35,180)
Loss from discontinued operations, net of tax	$ (261,058)	$ (30,331)	$ (310,789)	$ (162,092)