Goodwill and intangible assets.

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Goodwill and Intangible Assets - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 38,298,000		$ 38,298,000		$ 38,298,000
Indefinite-lived intangible assets	33,500,000		33,500,000
Intangible amortization	1,034,000	$ 991,000	3,018,000	$ 2,949,000
Sorrento Therapeutics
Goodwill And Intangible Assets [Line Items]
Goodwill	31,600,000		31,600,000
Scilex Pharmaceuticals, Inc
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 6,700,000		6,700,000
Impairment of goodwill			$ 0