Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] SFr in Millions, $ in Millions	May 07, 2021 USD ($)	Apr. 16, 2021 CHF (SFr)
Subsequent Event [Line Items]
Loan principal prepayments received \| $	$ 75
Swiss Medical Network [Member]
Subsequent Event [Line Items]
Equity investment and shareholder loan \| SFr		SFr 145