XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.22.4

Organization and Significant Accounting Policies - Cost of Goods Sold (Details) - USD ($) $ in Thousands |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 04, 2019 | Jul. 01, 2019 | May 02, 2019 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cost of Goods Sold |  |  |  |  |  |  |
Royalty payment term |  | 5 years |  |  |  |  |
Inventory write-offs, net |  |  |  | $ 26,000 | $ 26,000 | $ 5,133 | $ 2,171
Bioeq IP AG |  |  |  |  |  |  |
Cost of Goods Sold |  |  |  |  |  |  |
Percentage of gross profits shared | 50.00% |  | 50.00% |  |  |  |

X
- Definition percentage of profit shared. + References No definition available. + Details
Name: | chrs_PercentageOfGrossProfitsOnSales
Namespace Prefix: | chrs_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Royalty payment term. + References No definition available. + Details
Name: | chrs_RoyaltyPaymentTerm
Namespace Prefix: | chrs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314 + Details
Name: | us-gaap_InventoryWriteDown
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=chrs_BioeqIPAGMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |