For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Business concentrations - Summary of Customers with Product Revenue (Details) - Customer Concentration Risk [Member] - Revenue [Member]	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Customer A [Member]
Disclosure Of Customers With Product Revenue And Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	11.00%	21.00%	37.00%
Customer B [Member]
Disclosure Of Customers With Product Revenue And Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	15.00%	16.00%	11.00%
Customer C [Member]
Disclosure Of Customers With Product Revenue And Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	17.00%	28.00%	13.00%
Customer E [Member]
Disclosure Of Customers With Product Revenue And Account Receivable For The Period [Line Items]
Concentration Risk, Percentage	12.00%
Customer F [Member]
Disclosure Of Customers With Product Revenue And Account Receivable For The Period [Line Items]
Concentration Risk, Percentage			12.00%