XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.22.2

Note D - Marketable Equity Securities - Realized Gains on Marketable Equity Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Sales proceeds | $ 0 | $ 760 | $ 0 | $ 1,421
Cost of securities sold | 0 | 418 | 0 | 540
Realized gain / (loss) | $ 0 | $ 342 | $ 0 | $ 881

X
- Definition The cost of securities that sold during the period. + References No definition available. + Details
Name: | ptsi_EquitySecuritiesCostOfSecuritiesSold
Namespace Prefix: | ptsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of proceeds received for the sale of equity securities. + References No definition available. + Details
Name: | ptsi_EquitySecuritiesSaleProceeds
Namespace Prefix: | ptsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117546-209714 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(d)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
Name: | us-gaap_EquitySecuritiesFvNiRealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration