XML 43 R33.htm IDEA: XBRL DOCUMENT v3.22.2

Note D - Marketable Equity Securities - Unrealized Gains and Losses on Marketable Equity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Gross unrealized gains	$ 10,830	$ 12,458
Gross unrealized losses	2,396	2,419
Unrealized gain	$ 8,434	$ 10,039

X

- Definition

The amount of accumulated gross unrealized gain on equity securities.

+ References

No definition available.

+ Details

Name:	ptsi_EquitySecuritiesFVNIAccumulatedUnrealizedGain
Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of accumulated unrealized gain (loss) on equity securities.

+ References

No definition available.

+ Details

Name:	ptsi_EquitySecuritiesFVNIAccumulatedUnrealizedGainLoss
Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of accumulated gross unrealized loss on equity securities.

+ References

No definition available.

+ Details

Name:	ptsi_EquitySecuritiesFVNIAccumulatedUnrealizedLoss
Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant