XML 105 R88.htm IDEA: XBRL DOCUMENT v3.24.0.1

Retirement Contributions - Schedule of Total Contribution to the Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Retirement Benefits [Abstract]
Retirement contributions	$ 6,627	$ 5,386	$ 4,790

X

- Definition

Defined contribution plan employer not note discretionary contribution amount.

+ References

No definition available.

+ Details

Name:	spsc_DefinedContributionPlanEmployerNotNoteDiscretionaryContributionAmount
Namespace Prefix:	spsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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