XML 90 R78.htm IDEA: XBRL DOCUMENT v3.22.4

Commitments and Contingencies (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Capital commitments	$ 0	$ 0
Contractual commitments	$ 17,046,000
Period for which the majority of contractual commitments are to be paid	1 year

X

- Definition

Other Commitment, Period for Which the Majority of Commitments are To Be Paid

+ References

No definition available.

+ Details

Name:	smmt_OtherCommitmentPeriodForWhichTheMajorityOfCommitmentsAreToBePaid
Namespace Prefix:	smmt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant