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Note M - Leases - Lease Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Lease revenue | $ 2,327 | $ 2,208 | $ 6,945 | $ 5,950
Trucks under Operating Lease [Member] |  |  |  |
Lease revenue | 2,228 | 2,039 | 6,519 | 5,444
Dock Space under Operating Lease [Member] |  |  |  |
Lease revenue | $ 99 | $ 169 | $ 426 | $ 506

X
- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI https://asc.fasb.org/extlink&oid=126900988&loc=SL77927221-108306 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_LeaseContractualTermAxis=ptsi_DockSpaceUnderOperatingLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |