Variable Interest Entities - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended
Dec. 31, 2021	Jun. 30, 2015
Asset Purchase Agreement With Northwest Pathology
Variable Interest Entity [Line Items]
Proceeds from sale	$ 10.9
Avero
Variable Interest Entity [Line Items]
Term of agreement		10 years

Amount of cash inflow from the sale of other assets as part of operating activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585

Name:	us-gaap_ProceedsFromSaleOfOtherAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration