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v3.23.1

Revenue - Narrative (Detail) | 3 Months Ended
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Mar. 31, 2023
Disaggregation Of Revenue [Line Items] |
Latest timing of billings | 30 days
Contract term maximum | 1 year
Set up fees recognized period | 2 years
Maximum recognition period for miscellaneous one-time fee | 1 year
Minimum |
Disaggregation Of Revenue [Line Items] |
Customer contract cancellation period | 30 days
Maximum |
Disaggregation Of Revenue [Line Items] |
Customer contract cancellation period | 90 days

X
- Definition Contract Term Maximum + References No definition available. + Details
Name: | spsc_ContractTermMaximum
Namespace Prefix: | spsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Customer contract cancellation period. + References No definition available. + Details
Name: | spsc_CustomerContractCancellationPeriod
Namespace Prefix: | spsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum recognition period for miscellaneous one-time fee. + References No definition available. + Details
Name: | spsc_MaximumRecognitionPeriodForMiscellaneousOneTimeFee
Namespace Prefix: | spsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Recurring revenues timing of billings latest period. + References No definition available. + Details
Name: | spsc_RecurringRevenuesTimingOfBillingsLatestPeriod
Namespace Prefix: | spsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Set up fees recognized period. + References No definition available. + Details
Name: | spsc_SetUpFeesRecognizedPeriod
Namespace Prefix: | spsc_
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_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |