The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of increase (decrease) 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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The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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Goodwill and Intangible Assets, Net - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended	13 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Sep. 30, 2022
Finite-lived intangible assets:
Payments to acquire intangible assets			$ 126,000	$ 2,202,000	$ 2,200,000
Goodwill period changes			0
Amortization expense	$ 1,000,000	$ 1,200,000	$ 3,000,000	$ 3,700,000
Launched IPR&D assets
Finite-lived intangible assets:
Useful life						5 years