XML 68 R48.htm IDEA: XBRL DOCUMENT v3.25.4

Product Revenue, Net - Revenue Related Reserves in Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue-related reserves
Revenue-related reserves	$ 19,566	$ 14,429	$ 6,138
Accounts receivable
Revenue-related reserves
Revenue-related reserves	(831)	(444)
Other current liabilities
Revenue-related reserves
Revenue-related reserves	$ 20,397	$ 14,873

X

- Definition

N/A

+ References

No definition available.

+ Details

Name:	knsa_ProductRevenueAllowanceAndReserveAbstract
Namespace Prefix:	knsa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, at balance sheet date, of reserves and allowances netted against product revenue. These reserves and allowances include product returns, customer contractual adjustments and government rebate program chargebacks.

+ References

No definition available.

+ Details

Name:	knsa_ProductRevenueReservesAndAllowances
Namespace Prefix:	knsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: