Composite Ratio

No definition available.

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- Definition

Gross Premiums As Percentage Of Total Gross Premiums

+ References

No definition available.

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- Definition

Insurance Underwriting Loss

+ References

No definition available.

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- Definition

The net income earned from investments in securities and other investments including derivatives. It includes dividends from shares in corporations, and interest from bonds, loans, mortgages, derivatives, commercial paper, bank accounts, certificates of deposits, treasuries, and other financial securities. It also includes realized and unrealized gains and losses on all investments.

+ References

No definition available.

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- Definition

Ratio of non-life acquisition costs to non-life net premiums earned.

+ References

No definition available.

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- Definition

Amount of written premiums assumed from other entities.

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-Name Accounting Standards Codification

-Topic 944

-SubTopic 605

-Section 50

-Paragraph 1

-Subparagraph (b)(2),(c)(2)

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- Definition

The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs.

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-Subparagraph (SX 210.7-04.5,6,7)

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 5, 6, 7

-Article 7

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- Definition

Amount of written premiums ceded to other entities.

+ References

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- Definition

Ratio of non-life losses and loss expenses, non-life acquisition expenses and non-life general and administrative expenses, to non-life net premiums earned.

+ References

No definition available.

+ Details

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- Definition

Amount of expense related to deferred policy acquisition costs.

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-Name Regulation S-X (SX)

-Number 210

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-Paragraph 2

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

+ Details

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- Definition

Ratio of non-life general and administrative expenses to non-life net premiums earned.

+ References

No definition available.

+ Details

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Paragraph 9

-Subparagraph (a),(b)

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- Definition

Amount, after premiums ceded to other entities and premiums assumed by the entity, of decrease (increase) in unearned premiums.

+ References

No definition available.

+ Details

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- Definition

Amount, after effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred for property and casualty insurance contracts.

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 5

-Article 7

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- Definition

Ratio of non-life losses and loss expenses to non-life net premiums earned.

+ References

No definition available.

+ Details

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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-Glossary Other Comprehensive Income

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

+ References

No definition available.

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- Definition

This element represents a sum total of expenses not separately reflected on the income statement for the period.

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-Number 210

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Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

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-Number 210

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-Topic 944

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-Name Accounting Standards Codification

-Topic 942

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-Paragraph 1

-Subparagraph (SX 210.9-04.13(c))

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Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums written.

+ References

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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-Number 210

-Section 03

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Segment reporting - Operating Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										9 Months Ended		12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Gross premiums written	$ 126,403us-gaap_AssumedPremiumsWritten	$ 162,277us-gaap_AssumedPremiumsWritten	$ 45,425us-gaap_AssumedPremiumsWritten	$ 98,215us-gaap_AssumedPremiumsWritten	$ 96,020us-gaap_AssumedPremiumsWritten	$ 27,895us-gaap_AssumedPremiumsWritten	$ 41,651us-gaap_AssumedPremiumsWritten	$ 28,178us-gaap_AssumedPremiumsWritten	$ 92,650us-gaap_AssumedPremiumsWritten	$ 0us-gaap_AssumedPremiumsWritten	$ 359,498us-gaap_AssumedPremiumsWritten	$ 239,660us-gaap_AssumedPremiumsWritten	$ 401,937us-gaap_AssumedPremiumsWritten	$ 190,374us-gaap_AssumedPremiumsWritten	$ 0us-gaap_AssumedPremiumsWritten
Gross premiums ceded	(150)us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	(9,975)us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	(150)us-gaap_CededPremiumsWritten	(9,975)us-gaap_CededPremiumsWritten	(9,975)us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten	0us-gaap_CededPremiumsWritten
Net premiums written	126,253us-gaap_PremiumsWrittenNet	162,277us-gaap_PremiumsWrittenNet	45,425us-gaap_PremiumsWrittenNet	98,215us-gaap_PremiumsWrittenNet	86,045us-gaap_PremiumsWrittenNet	27,895us-gaap_PremiumsWrittenNet	41,651us-gaap_PremiumsWrittenNet	28,178us-gaap_PremiumsWrittenNet	92,650us-gaap_PremiumsWrittenNet	0us-gaap_PremiumsWrittenNet	359,348us-gaap_PremiumsWrittenNet	229,685us-gaap_PremiumsWrittenNet	391,962us-gaap_PremiumsWrittenNet	190,374us-gaap_PremiumsWrittenNet	0us-gaap_PremiumsWrittenNet
Change in net unearned premium reserves	(17,305)	(103,767)	20,904	(35,928)	(52,504)	5,590	(7,333)	(13,337)	(78,813)	0	(98,388)	(67,528)	(171,295)	(93,893)	0
Net premiums earned	108,948us-gaap_PremiumsEarnedNet	58,510us-gaap_PremiumsEarnedNet	66,329us-gaap_PremiumsEarnedNet	62,287us-gaap_PremiumsEarnedNet	33,541us-gaap_PremiumsEarnedNet	33,485us-gaap_PremiumsEarnedNet	34,318us-gaap_PremiumsEarnedNet	14,841us-gaap_PremiumsEarnedNet	13,837us-gaap_PremiumsEarnedNet	0us-gaap_PremiumsEarnedNet	260,960us-gaap_PremiumsEarnedNet	162,157us-gaap_PremiumsEarnedNet	220,667us-gaap_PremiumsEarnedNet	96,481us-gaap_PremiumsEarnedNet	0us-gaap_PremiumsEarnedNet
Net investment income	1,552tpre_InvestmentIncome		54,617tpre_InvestmentIncome			72,511tpre_InvestmentIncome	47,686tpre_InvestmentIncome	(17,623)tpre_InvestmentIncome	33,848tpre_InvestmentIncome	0tpre_InvestmentIncome	92,072tpre_InvestmentIncome	168,804tpre_InvestmentIncome	253,203tpre_InvestmentIncome	136,422tpre_InvestmentIncome	0tpre_InvestmentIncome
Total revenues	110,500us-gaap_Revenues		120,946us-gaap_Revenues			105,996us-gaap_Revenues	82,004us-gaap_Revenues	(2,782)us-gaap_Revenues	47,685us-gaap_Revenues	0us-gaap_Revenues	353,032us-gaap_Revenues	330,961us-gaap_Revenues	473,870us-gaap_Revenues	232,903us-gaap_Revenues	0us-gaap_Revenues
Loss and loss adjustment expenses incurred, net	60,115	36,133	39,349	45,692	18,638	26,626	24,709	16,686	12,285	0	150,783	103,679	139,812	80,306	0
Acquisition costs, net	38,317	18,833	21,117	14,921	13,073	10,898	10,856	2,138	712	0	93,331	49,111	67,944	24,604	0
General and administrative expenses	10,124us-gaap_GeneralAndAdministrativeExpense	8,965us-gaap_GeneralAndAdministrativeExpense	9,846us-gaap_GeneralAndAdministrativeExpense	7,217us-gaap_GeneralAndAdministrativeExpense	7,008us-gaap_GeneralAndAdministrativeExpense	7,155us-gaap_GeneralAndAdministrativeExpense	6,440us-gaap_GeneralAndAdministrativeExpense	9,621us-gaap_GeneralAndAdministrativeExpense	4,160us-gaap_GeneralAndAdministrativeExpense	1,130us-gaap_GeneralAndAdministrativeExpense	29,698us-gaap_GeneralAndAdministrativeExpense	24,071us-gaap_GeneralAndAdministrativeExpense	33,036us-gaap_GeneralAndAdministrativeExpense	27,376us-gaap_GeneralAndAdministrativeExpense	1,130us-gaap_GeneralAndAdministrativeExpense
Total expenses	108,556us-gaap_OperatingExpenses		70,312us-gaap_OperatingExpenses								273,812us-gaap_OperatingExpenses	176,861us-gaap_OperatingExpenses
Total expenses	111,538us-gaap_BenefitsLossesAndExpenses		71,558us-gaap_BenefitsLossesAndExpenses			44,679us-gaap_BenefitsLossesAndExpenses	42,005us-gaap_BenefitsLossesAndExpenses	28,445us-gaap_BenefitsLossesAndExpenses	17,157us-gaap_BenefitsLossesAndExpenses	1,130us-gaap_BenefitsLossesAndExpenses	278,601us-gaap_BenefitsLossesAndExpenses	179,536us-gaap_BenefitsLossesAndExpenses	240,792us-gaap_BenefitsLossesAndExpenses	132,286us-gaap_BenefitsLossesAndExpenses	1,130us-gaap_BenefitsLossesAndExpenses
Other expenses	(2,982)us-gaap_OtherExpenses		(1,246)us-gaap_OtherExpenses								(4,789)us-gaap_OtherExpenses	(2,675)us-gaap_OtherExpenses
Income tax expense	(1,542)us-gaap_IncomeTaxExpenseBenefit		0us-gaap_IncomeTaxExpenseBenefit								(3,917)us-gaap_IncomeTaxExpenseBenefit	0us-gaap_IncomeTaxExpenseBenefit
Income (loss) including non-controlling interests	(2,580)us-gaap_ProfitLoss	81,653us-gaap_ProfitLoss	49,388us-gaap_ProfitLoss	26,524us-gaap_ProfitLoss	75,513us-gaap_ProfitLoss	61,317us-gaap_ProfitLoss	39,999us-gaap_ProfitLoss	(31,227)us-gaap_ProfitLoss	30,528us-gaap_ProfitLoss	(1,130)us-gaap_ProfitLoss	70,514us-gaap_ProfitLoss	151,425us-gaap_ProfitLoss	233,078us-gaap_ProfitLoss	100,617us-gaap_ProfitLoss	(1,130)us-gaap_ProfitLoss
Income attributable to non-controlling interests	(3,417)	(1,565)	(2,818)	(301)	(1,083)	(607)	(423)	120	(306)	0	(5,440)	(4,202)	(5,767)	(1,216)	0
Net income (loss)	(5,997)us-gaap_NetIncomeLoss	80,088us-gaap_NetIncomeLoss	46,570us-gaap_NetIncomeLoss	26,223us-gaap_NetIncomeLoss	74,430us-gaap_NetIncomeLoss	60,710us-gaap_NetIncomeLoss	39,576us-gaap_NetIncomeLoss	(31,107)us-gaap_NetIncomeLoss	30,222us-gaap_NetIncomeLoss	(1,130)us-gaap_NetIncomeLoss	65,074us-gaap_NetIncomeLoss	147,223us-gaap_NetIncomeLoss	227,311us-gaap_NetIncomeLoss	99,401us-gaap_NetIncomeLoss	(1,130)us-gaap_NetIncomeLoss
Gross premiums as percentage of total gross premiums	100.00%		100.00%								100.00%	100.00%	100.00%	100.00%
Prospective Reinsurance Contract [Member]
Segment Reporting Information [Line Items]
Gross premiums written	126,403		27,981								356,822	199,916	362,151	190,374
Gross premiums as percentage of total gross premiums	100.00%		61.60%								99.30%	83.40%	90.10%	100.00%
Retroactive Reinsurance Contract [Member]
Segment Reporting Information [Line Items]
Gross premiums written	0		17,444								2,676	39,744	39,786	0
Gross premiums as percentage of total gross premiums	0.00%		38.40%								0.70%	16.60%	9.90%	0.00%
Corporate
Segment Reporting Information [Line Items]
Gross premiums written	0		0								0	0	0	0
Gross premiums ceded	0		0								0	0	0	0
Net premiums written	0		0								0	0	0	0
Change in net unearned premium reserves	0		0								0	0	0	0
Net premiums earned	0		0								0	0	0	0
Net investment income	808		45,456								77,671	150,466	248,782	136,422
Total revenues													248,782	136,422
Loss and loss adjustment expenses incurred, net	0		0								0	0	0	0
Acquisition costs, net	0		0								0	0	0	0
General and administrative expenses	3,920		2,158								10,518	5,085	7,346	5,552
Total expenses	3,920		2,158								10,518	5,085
Total expenses													7,346	5,552
Other expenses	0		0								0	0
Income tax expense	(1,542)										(3,917)
Income (loss) including non-controlling interests	(4,654)		43,298								63,236	145,381	241,436	130,870
Income attributable to non-controlling interests	(92)		(386)								(1,586)	(1,175)	(1,721)	(1,216)
Net income (loss)	(4,746)		42,912								61,650	144,206	239,715	129,654
Property and Casualty Reinsurance
Segment Reporting Information [Line Items]
Gross premiums written	124,931		43,714								347,495	231,229	393,588	190,374
Gross premiums as percentage of total gross premiums	98.80%		96.20%								96.70%	96.50%	97.90%	100.00%
Property and Casualty Reinsurance \| Operating Segments
Segment Reporting Information [Line Items]
Gross premiums written	124,931		43,714								347,495	231,229	393,588	190,374
Gross premiums ceded	(150)		0								(150)	(9,975)	(9,975)	0
Net premiums written	124,781		43,714								347,345	221,254	383,613	190,374
Change in net unearned premium reserves	(23,294)		18,051								(96,069)	(65,408)	(171,006)	(93,893)
Net premiums earned	101,487		61,765								251,276	155,846	212,607	96,481
Net investment income	(137)		7,072								13,458	15,128	0	0
Total revenues													212,607	96,481
Loss and loss adjustment expenses incurred, net	60,121		39,349								150,789	103,291	139,616	80,306
Acquisition costs, net	37,571		20,541								92,477	48,353	66,981	24,604
General and administrative expenses	5,556		6,739								17,020	16,265	21,838	20,290
Total expenses	103,248		66,629								260,286	167,909
Total expenses													228,435	125,200
Underwriting loss	(1,761)		(4,864)								(9,010)	(12,063)	(15,828)	(28,719)
Other expenses	(2,982)		(1,246)								(4,789)	(2,675)
Income tax expense	0										0
Income (loss) including non-controlling interests	(4,880)		962								(341)	390
Income attributable to non-controlling interests	0		0								0	0
Net income (loss)	(4,880)		962								(341)	390	(15,828)	(28,719)
Loss ratio	59.20%		63.70%								60.00%	66.30%	65.70%	83.20%
Acquisition cost ratio	37.00%		33.30%								36.80%	31.00%	31.50%	25.50%
Composite Ratio	96.20%		97.00%								96.80%	97.30%
General and administrative expense ratio	5.50%		10.90%								6.80%	10.40%	10.30%	21.00%
Combined ratio	101.70%		107.90%								103.60%	107.70%	107.50%	129.70%
Catastrophe Risk Management
Segment Reporting Information [Line Items]
Gross premiums written	1,472		1,711								12,003	8,431	8,349	0
Gross premiums as percentage of total gross premiums	1.20%		3.80%								3.30%	3.50%	2.10%	0.00%
Catastrophe Risk Management \| Operating Segments
Segment Reporting Information [Line Items]
Gross premiums written	1,472		1,711								12,003	8,431	8,349	0
Gross premiums ceded	0		0								0	0	0	0
Net premiums written	1,472		1,711								12,003	8,431	8,349	0
Change in net unearned premium reserves	5,989		2,853								(2,319)	(2,120)	(289)	0
Net premiums earned	7,461		4,564								9,684	6,311	8,060	0
Net investment income	881		2,089								943	3,210	4,421	0
Total revenues													12,481	0
Loss and loss adjustment expenses incurred, net	(6)		0								(6)	388	196	0
Acquisition costs, net	746		576								854	758	963	0
General and administrative expenses	648		949								2,160	2,721	3,852	1,534
Total expenses	1,388		1,525								3,008	3,867
Total expenses													5,011	1,534
Other expenses	0		0								0	0
Income tax expense	0										0
Income (loss) including non-controlling interests	6,954		5,128								7,619	5,654	7,470	(1,534)
Income attributable to non-controlling interests	(3,325)		(2,432)								(3,854)	(3,027)	(4,046)	0
Net income (loss)	3,629		2,696								3,765	2,627	3,424	(1,534)
Property \| Property and Casualty Reinsurance
Segment Reporting Information [Line Items]
Gross premiums written	(2,810)		(1,603)								78,577	26,635	67,612	103,174
Gross premiums as percentage of total gross premiums	(2.20%)		(3.50%)								21.90%	11.10%	16.80%	54.20%
Casualty \| Property and Casualty Reinsurance
Segment Reporting Information [Line Items]
Gross premiums written	128,469		9,426								244,235	111,021	210,017	44,700
Gross premiums as percentage of total gross premiums	101.60%		20.70%								67.90%	46.40%	52.20%	23.50%
Specialty \| Property and Casualty Reinsurance
Segment Reporting Information [Line Items]
Gross premiums written	$ (728)		$ 35,891								$ 24,683	$ 93,573	$ 115,959	$ 42,500
Gross premiums as percentage of total gross premiums	(0.60%)		79.00%								6.90%	39.00%	28.90%	22.30%