Discontinued Operations - Summary of Financial Results Included in Income (Loss) from Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Income tax benefit		$ 21	$ 277
Loss from discontinued operations, net of income tax benefit		(63)	(808)
Nutrisystem Incorporation
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Selling, general and administrative expenses	[1]	84	1,085
Pretax loss from discontinued operations		(84)	(1,085)
Income tax benefit		(21)	(277)
Loss from discontinued operations, net of income tax benefit		$ (63)	$ (808)

[1] Expenses from discontinued operations primarily relate to legal and other professional fees and separation costs.