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Note 16 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions | Dec. 31, 2024 | Sep. 01, 2020
--- | --- | ---
Self Insurance Auto Liability Claims Threshold Amount |  | $ 2
Minimum [Member] |  |
Self Insurance Liability Claims, Exceeding Amount Reserve Threshold | $ 2 |

X
- Definition The minimum amount of expected claims for which claims will be reserved in the reporting period. + References No definition available. + Details
Name: | ptsi_SelfInsuranceAutoClaimsExceedingAmountReserveThreshold
Namespace Prefix: | ptsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents self insurance auto liability claims threshold amount. + References No definition available. + Details
Name: | ptsi_SelfInsuranceAutoLiabilityClaimsThresholdAmount
Namespace Prefix: | ptsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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