Related Party Transactions - Additional Information (Detail) - Chindex Shanghai International Trading Company Limited		12 Months Ended
Nov. 29, 2019 USD ($) Installment	Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items]
Distribution agreement term	5 years
Distribution agreement additional term	5 years
Number of installments \| Installment	3
Distribution fees payment		$ 0
Upfront Fees
Related Party Transaction [Line Items]
Distribution fees	$ 3,500,000
First Installment \| Upfront Fees
Related Party Transaction [Line Items]
Distribution fees	1,500,000
Second Installment \| Upfront Fees
Related Party Transaction [Line Items]
Distribution fees	1,000,000
Third Installment \| Upfront Fees
Related Party Transaction [Line Items]
Distribution fees	$ 1,000,000

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=116637345&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=116634182&loc=SL114868664-224227

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration