Organization	12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Third Point Reinsurance Ltd. (together with its wholly and majority owned subsidiaries, “Third Point Re” or the “Company”) was incorporated under the laws of Bermuda on October 6, 2011. Through its reinsurance subsidiaries, the Company is a provider of global specialty property and casualty reinsurance products. The Company operates through two licensed reinsurance subsidiaries, Third Point Reinsurance Company Ltd. (“Third Point Re BDA”), a Bermuda reinsurance company that commenced operations in January 2012, and Third Point Reinsurance (USA) Ltd. (“Third Point Re USA”). Third Point Re USA is a Bermuda reinsurance company that was incorporated on November 21, 2014 and commenced operations in February 2015. Third Point Re USA made an election under Section 953(d) of the U.S. Internal Revenue Code of 1986, as amended, to be taxed as a U.S. entity. Third Point Re USA prices and underwrites U.S. domiciled reinsurance business from an office in the United States. Third Point Re USA is a wholly owned subsidiary of Third Point Re (USA) Holdings, Inc. (“TPRUSA”), an intermediate holding company based in the U.S., which is a wholly owned subsidiary of Third Point Re (UK) Holdings Ltd. (“Third Point Re UK”), an intermediate holding company based in the United Kingdom. Third Point Re UK is a wholly owned subsidiary of Third Point Re. In June 2012, Third Point Reinsurance Opportunities Fund Ltd. (the “Catastrophe Fund”), Third Point Reinsurance Investment Management Ltd. (the “Catastrophe Fund Manager”), and Third Point Re Cat Ltd. (the “Catastrophe Reinsurer”) were incorporated in Bermuda. The Catastrophe Fund Manager, a Bermuda exempted company, was the investment manager of the Catastrophe Fund. In December 2014, the Company announced that it would no longer accept investments in the Catastrophe Fund, that no new business would be written in the Catastrophe Reinsurer and that the Company would be redeeming all existing investments in the Catastrophe Fund. As of December 31, 2015, all investments in the Catastrophe Fund were redeemed. In February 2016, the Company completed the dissolution of the Catastrophe Fund and Catastrophe Reinsurer. In August 2012, the Company established a wholly-owned subsidiary in the United Kingdom, Third Point Re Marketing (UK) Limited (“TPRUK”). In May 2013, TPRUK was licensed as an insurance intermediary by the UK Financial Conduct Authority. In August 2013, the Company completed an initial public offering (“IPO”) of 24,832,484 common shares at an offering price of $12.50 per share. The net proceeds of the offering were $286.0 million, after deducting offering costs. The Company’s common shares are listed on the New York Stock Exchange (“NYSE”) under the symbol “TPRE”. These consolidated financial statements include the results of Third Point Re and its wholly and majority owned subsidiaries (together, the “Company”) and have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). All intercompany accounts and transactions have been eliminated.

Third Point Reinsurance Ltd. (together with its wholly and majority owned subsidiaries, “Third Point Re” or the “Company”) was incorporated under the laws of Bermuda on October 6, 2011. Through its reinsurance subsidiaries, the Company is a provider of global specialty property and casualty reinsurance products. The Company operates through two licensed reinsurance subsidiaries, Third Point Reinsurance Company Ltd. (“Third Point Re BDA”), a Bermuda reinsurance company that commenced operations in January 2012, and Third Point Reinsurance (USA) Ltd. (“Third Point Re USA”).

Third Point Re USA is a Bermuda reinsurance company that was incorporated on November 21, 2014 and commenced operations in February 2015. Third Point Re USA made an election under Section 953(d) of the U.S. Internal Revenue Code of 1986, as amended, to be taxed as a U.S. entity. Third Point Re USA prices and underwrites U.S. domiciled reinsurance business from an office in the United States. Third Point Re USA is a wholly owned subsidiary of Third Point Re (USA) Holdings, Inc. (“TPRUSA”), an intermediate holding company based in the U.S., which is a wholly owned subsidiary of Third Point Re (UK) Holdings Ltd. (“Third Point Re UK”), an intermediate holding company based in the United Kingdom. Third Point Re UK is a wholly owned subsidiary of Third Point Re.

In June 2012, Third Point Reinsurance Opportunities Fund Ltd. (the “Catastrophe Fund”), Third Point Reinsurance Investment Management Ltd. (the “Catastrophe Fund Manager”), and Third Point Re Cat Ltd. (the “Catastrophe Reinsurer”) were incorporated in Bermuda. The Catastrophe Fund Manager, a Bermuda exempted company, was the investment manager of the Catastrophe Fund. In December 2014, the Company announced that it would no longer accept investments in the Catastrophe Fund, that no new business would be written in the Catastrophe Reinsurer and that the Company would be redeeming all existing investments in the Catastrophe Fund. As of December 31, 2015, all investments in the Catastrophe Fund were redeemed. In February 2016, the Company completed the dissolution of the Catastrophe Fund and Catastrophe Reinsurer.

In August 2012, the Company established a wholly-owned subsidiary in the United Kingdom, Third Point Re Marketing (UK) Limited (“TPRUK”). In May 2013, TPRUK was licensed as an insurance intermediary by the UK Financial Conduct Authority.

In August 2013, the Company completed an initial public offering (“IPO”) of 24,832,484 common shares at an offering price of $12.50 per share. The net proceeds of the offering were $286.0 million, after deducting offering costs. The Company’s common shares are listed on the New York Stock Exchange (“NYSE”) under the symbol “TPRE”.

These consolidated financial statements include the results of Third Point Re and its wholly and majority owned subsidiaries (together, the “Company”) and have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). All intercompany accounts and transactions have been eliminated.