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Stock-Based Compensation (Schedule of Outstanding Unvested Restricted Stock Unit Awards) (Details) (Restricted stock units [Member])
Mar. 31, 2015
Restricted stock units [Member]
  
Share-Based Compensation [Line Items]  
2015 (in shares) 5,000tpc_UnvestedAwardsScheduledToVestYearOne
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
2016 (in shares) 302,500tpc_UnvestedAwardsScheduledToVestYearTwo
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
2017 (in shares) 957,597tpc_UnvestedAwardsScheduledToVestYearThree
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
2018 (in shares) 296,000tpc_UnvestedAwardsScheduledToVestYearFour
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
2019 (in shares) 159,000tpc_UnvestedAwardsScheduledToVestYearFive
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Total (in shares) 1,720,097tpc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardedUnvested
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember