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Acquisitions Asset Acquisitions (Details) - USD ($)			12 Months Ended
Acquisitions Asset Acquisitions (Details) - USD ($)	Sep. 03, 2019	Oct. 01, 2018	Sep. 30, 2021	Dec. 31, 2020
Cash consideration		$ 17,100,000
Prepaid Royalties				$ 22,000,000
EarlySense
Cash consideration			$ 30,000,000
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination			25,500,000
Finite-lived Intangible Assets Acquired			8
Business Combination, Consideration Transferred, Other			$ 1,800,000
Breathe [Member]
Cash consideration	$ 127,600,000