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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands			9 Months Ended
	Aug. 24, 2021	Jun. 01, 2020	Sep. 30, 2021	Sep. 30, 2020
Equipment acquired and leasehold improvements			$ 50,500	$ 28,100
Investment in joint ventures			$ 44,228
DeepHealth Inc.
Shares issued (in shares)		823,615
Equity interest issued, value assigned		$ 13,900
Tangent Associates LLC
Shares issued (in shares)	67,658
Equity interest issued, value assigned	$ 2,000

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Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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

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