Noncontrolling Interest - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	Feb. 14, 2020	Dec. 31, 2019
Purchased Medispa Limited [Member]
Minority Interest [Line Items]
Percentage of noncontrolling interest acquired	40.00%
Medispa Limited [Member]
Minority Interest [Line Items]
Noncontrolling Interest		60.00%
Medispa Limited [Member] \| Purchased Medispa Limited [Member]
Minority Interest [Line Items]
Percentage of noncontrolling interest acquired	40.00%
Stockholders' Equity Attributable to Noncontrolling Interest	$ 12.3
Businesses combination, consideration paid in cash	$ 10.8
Number of shares issued to acquire non controlling interest	98,753
Businesses combination, share price	$ 15.26
Medispa Limited [Member] \| Third Party
Minority Interest [Line Items]
Noncontrolling Interest		40.00%

Number of shares of equity interests issued or issuable to acquire entity.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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