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v2.4.1.9

Share capital - Warrants (Details) (USD $) | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013 | Aug. 20, 2013 | Aug. 18, 2013
Class of Warrant or Right [Line Items] |  |  |  |
Maximum percent of warrants reserved for issuance | 4.00%tpre_MaximumPercentofWarrantsReservedforIssuance | 4.00%tpre_MaximumPercentofWarrantsReservedforIssuance |  |
Maximum value of warrants reserved for issuance | $ 1,000,000,000 tpre_MaximumValueofWarrantsReservedforIssuance | $ 1,000,000,000 tpre_MaximumValueofWarrantsReservedforIssuance |  |
Exercise price (in dollars per share) | 10.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights | 10.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights |  |
Authorized and issued (in shares) | 4,651,163.000 us-gaap_ClassOfWarrantOrRightOutstanding | 4,651,163.000 us-gaap_ClassOfWarrantOrRightOutstanding |  |
Aggregated fair value of warrants | 17,374,000 us-gaap_WarrantsAndRightsOutstanding | 17,374,000 us-gaap_WarrantsAndRightsOutstanding |  |
Warrants authorized and issued (in shares) |  |  | 1,003,157 tpre_ClassofWarrantorRightOutstandingRelatedtoPerformanceCondition | 3,648,006 tpre_ClassofWarrantorRightOutstandingRelatedtoPerformanceCondition
Fair value of founder and advisor warrants |  | 3,700,000 tpre_AdjustmentstoAdditionalPaidinCapitalFairValueofIssuedWarrantShareholdersEquity |  |
Term of warrants | 10 years | 10 years |  |
Founders |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Maximum percent of warrants reserved for issuance | 3.50%tpre_MaximumPercentofWarrantsReservedforIssuance / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember | 3.50%tpre_MaximumPercentofWarrantsReservedforIssuance / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember |  |
Exercise price (in dollars per share) | 10.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember | 10.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember |  |
Authorized and issued (in shares) | 4,069,768 us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember | 4,069,868 us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember |  |
Aggregated fair value of warrants | 15,203,000 us-gaap_WarrantsAndRightsOutstanding / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember | 15,203,000 us-gaap_WarrantsAndRightsOutstanding / us-gaap_TitleOfIndividualAxis = tpre_FoundersMember |  |
Advisor |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Maximum percent of warrants reserved for issuance | 0.50%tpre_MaximumPercentofWarrantsReservedforIssuance / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember | 0.50%tpre_MaximumPercentofWarrantsReservedforIssuance / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember |  |
Exercise price (in dollars per share) | 10.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember | 10.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember |  |
Authorized and issued (in shares) | 581,395 us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember | 581,295 us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember |  |
Aggregated fair value of warrants | $ 2,171,000 us-gaap_WarrantsAndRightsOutstanding / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember | $ 2,171,000 us-gaap_WarrantsAndRightsOutstanding / us-gaap_TitleOfIndividualAxis = tpre_AdvisorMember |  |

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- Definition Adjustments to Additional Paid in Capital, Fair Value of Issued Warrant, Shareholders' Equity + References No definition available. + Details
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