Business Combinations - Summary of Component of Merger Consideration (Parenthetical) (Details) - Nutrisystem, Inc.	Mar. 08, 2019 $ / shares shares
Business Acquisition [Line Items]
Number of Shares converted into cash upon acquisition | shares	29,370,594
Cash consideration per share | $ / shares	$ 38.75
Business acquisition, share issued in conversion | shares	6,300,000
Business acquisition, common stock exchange ratio	0.2141
Volume-weighted average of trading price of common stock | $ / shares	$ 21.12
Number of consecutive trading days	5 days
Stock options vested and outstanding | shares	204,000
Business acquisition cash payment per option net of exercise price | $ / shares	$ 43.27