Related Party Transactions - Additional Information (Detail) - Chindex Shanghai International Trading Company Limited $ in Millions	Nov. 29, 2019 USD ($) Installment
Related Party Transaction [Line Items]
Distribution agreement term	5 years
Distribution agreement additional term	5 years
Number of installments \| Installment	3
Upfront Fees
Related Party Transaction [Line Items]
Distribution fees	$ 3.5
Upfront Fees \| First Installment
Related Party Transaction [Line Items]
Distribution fees	1.5
Upfront Fees \| Second Installment
Related Party Transaction [Line Items]
Distribution fees	1.0
Upfront Fees \| Third Installment
Related Party Transaction [Line Items]
Distribution fees	$ 1.0

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.1(c))
-URI http://asc.fasb.org/extlink&oid=120401555&loc=SL114874292-224272

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration