XML 36 R32.htm IDEA: XBRL DOCUMENT v2.4.0.8

Note C - Marketable Equity Securities (Details) - Realized Gains on Available for Sale Securities (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Realized gains
Sale proceeds	$ 1,407	$ 13	$ 3,558
Cost of securities sold	450	6	1,561
Gain (Loss) on Investments, Before Tax [Member]
Realized gains
Realized gains	957	7	1,997
Gain (Loss) on Investments, Net of Tax [Member]
Realized gains
Realized gains	$ 569	$ 4	$ 1,194

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	ptsi_AvailableForSaleSecuritiesGrossRealizedGainsLossesCostOfSecuritiesSold
Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	ptsi_RealizedGainsAbstract
Namespace Prefix:	ptsi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration