Supplemental guarantor information - Consolidated Statement of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating activities
Net income (loss)	$ 65,074us-gaap_NetIncomeLoss	$ 147,223us-gaap_NetIncomeLoss	$ 227,311us-gaap_NetIncomeLoss	$ 99,401us-gaap_NetIncomeLoss	$ (1,130)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Equity in earnings of subsidiaries	0	0	0	0	0
Share compensation expense	6,979us-gaap_ShareBasedCompensation	7,611us-gaap_ShareBasedCompensation	9,800us-gaap_ShareBasedCompensation	6,408us-gaap_ShareBasedCompensation
Interest expense on deposit liabilities	3,687us-gaap_InterestExpenseDeposits	0us-gaap_InterestExpenseDeposits
Net unrealized gain on investments and derivatives	68,107us-gaap_UnrealizedGainLossOnInvestments	(30,541)us-gaap_UnrealizedGainLossOnInvestments	(78,950)us-gaap_UnrealizedGainLossOnInvestments	(113,421)us-gaap_UnrealizedGainLossOnInvestments
Net realized gain on investments and derivatives	(184,133)	(176,673)	(236,333)	(55,632)
Amortization of premium and accretion of discount, net	1,031	(2,868)	(262)	(2,434)
Changes in assets and liabilities:
Reinsurance balances receivable	(65,718)	(57,669)	(107,483)	(84,280)
Deferred acquisition costs, net	(33,180)	(13,180)	(45,810)	(45,383)
Unearned premiums ceded	(91)	(2,494)
Loss and loss adjustment expenses recoverable	7,865	(6,284)	(9,277)	0
Other assets	(303)	(931)	(275)	(1,701)	(1,420)
Interest and dividends receivable, net	(2,576)	(775)	(1,034)	(833)
Unearned premium reserves	98,479	70,022	171,294	93,893
Loss and loss adjustment expense reserves	52,982	76,436	67,060	67,271
Accounts payable and accrued expenses	(1,935)	(500)	4,089	4,157	995
Reinsurance balances payable	12,133	8,579	9,081	0
Performance fee payable to related party	21,837	40,264
Amounts due from affiliates	0	0	0	0
Amounts due to affiliates	0	0	0	0
Net cash provided by (used in) operating activities	50,238	58,220	9,211	(32,554)	(1,555)
Investing activities
Purchases of investments	(2,150,821)	(1,475,391)	(2,172,077)	(2,317,234)
Proceeds from sales of investments	1,998,673	1,539,990	1,943,655	1,521,110
Purchases of investments to cover short sales	(141,468)	(342,282)	(407,965)	(535,443)
Proceeds from short sales of investments	150,098	251,085	290,770	729,182
Change in due to/from brokers, net	177,516	(311,503)	12,162	(65,678)
Increase (decrease) in securities purchased under an agreement to sell	18,250	22,487	22,261	(60,408)
Non-controlling interest in investment affiliate	(49,415)	(33,114)	29,588	40,129
Change in restricted cash and cash equivalents	(68,389)	(81,663)	(115,950)	(77,627)
Contributed capital (to) from subsidiaries		0	0	0	0
Net cash used in investing activities	(65,556)	(430,391)	(397,556)	(765,969)	0
Financing activities
Proceeds from issuance of common shares, net of costs	599	286,685	286,095	158,593	605,396
Increase in deposit liabilities	5,782	41,793	70,500	50,446
Non-controlling interest in Catastrophe Fund	10,023	28,515	29,608	19,646
Non-controlling interest in Catastrophe Fund Manager	(18)	(164)	(238)	2
Dividend received by (paid to) parent	0
Net cash provided by financing activities	16,386	356,829	385,965	228,687	605,396
Net (decrease) increase in cash and cash equivalents	1,068	(15,342)	(2,380)	(569,836)	603,841
Cash and cash equivalents at beginning of period	31,625	34,005	34,005	603,841	0
Cash and cash equivalents at end of period	32,693	18,663	31,625	34,005	603,841
Parent Guarantor
Operating activities
Net income (loss)			227,311	99,401
Changes in assets and liabilities:
Accounts payable and accrued expenses			(66)	682
Amounts due from affiliates			353	(770)
Amounts due to affiliates			2,020	2,152
Net cash provided by (used in) operating activities			286	86
Investing activities
Net cash used in investing activities			(286,257)	(170,110)
Financing activities
Proceeds from issuance of common shares, net of costs			286,096	158,593
Net cash provided by financing activities			286,096	158,593
Net (decrease) increase in cash and cash equivalents			125	(11,431)
Cash and cash equivalents at beginning of period		169	169	11,600
Cash and cash equivalents at end of period			294	169	11,600
Reportable Legal Entities \| Parent Guarantor
Operating activities
Net income (loss)	65,074	147,223	227,311	99,401	(1,130)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Equity in earnings of subsidiaries	(69,224)	(147,618)	(228,646)	(101,346)	1,092
Share compensation expense	583	0	0	0
Interest expense on deposit liabilities	0
Net unrealized gain on investments and derivatives	0	0	0	0
Net realized gain on investments and derivatives	0	0	0	0
Amortization of premium and accretion of discount, net	0	0	0	0
Changes in assets and liabilities:
Reinsurance balances receivable	0	0	0	0
Deferred acquisition costs, net	0	0	0	0
Unearned premiums ceded	0	0
Loss and loss adjustment expenses recoverable	0	0	0
Other assets	(118)	(858)	(686)	(33)	(2)
Interest and dividends receivable, net	0	0	0	0
Unearned premium reserves	0	0	0	0
Loss and loss adjustment expense reserves	0	0	0	0
Accounts payable and accrued expenses	1,140	(364)	(65)	682	(413)
Reinsurance balances payable	0	0	0
Performance fee payable to related party	0	0
Amounts due from affiliates	(1,684)	557	353	(770)
Amounts due to affiliates	(4,172)	1,447	2,020	2,152
Net cash provided by (used in) operating activities	(8,401)	387	287	86	(453)
Investing activities
Purchases of investments	0	0	0	0
Proceeds from sales of investments	0	0	0	0
Purchases of investments to cover short sales	0	0	0	0
Proceeds from short sales of investments	0	0	0	0
Change in due to/from brokers, net	0	0	0	0
Increase (decrease) in securities purchased under an agreement to sell	0	0	0	0
Non-controlling interest in investment affiliate	0	0	0	0
Change in restricted cash and cash equivalents	0	0	0	0
Contributed capital (to) from subsidiaries		(286,246)	(286,257)	(170,110)	(593,343)
Net cash used in investing activities	0	(286,246)	(286,257)	(170,110)	(593,343)
Financing activities
Proceeds from issuance of common shares, net of costs	599	286,685	286,095	158,593	605,396
Increase in deposit liabilities	0	0	0	0
Non-controlling interest in Catastrophe Fund	0	0	0	0
Non-controlling interest in Catastrophe Fund Manager	0	0	0	0
Dividend received by (paid to) parent	8,000
Net cash provided by financing activities	8,599	286,685	286,095	158,593	605,396
Net (decrease) increase in cash and cash equivalents	198	826	125	(11,431)	11,600
Cash and cash equivalents at beginning of period	294	169	169	11,600	0
Cash and cash equivalents at end of period	492	995	294	169	11,600
Reportable Legal Entities \| Issuer of Debt
Operating activities
Net income (loss)	0	0	0	0	0
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Equity in earnings of subsidiaries	0	0	0	0	0
Share compensation expense	0	0	0	0
Interest expense on deposit liabilities	0
Net unrealized gain on investments and derivatives	0	0	0	0
Net realized gain on investments and derivatives	0	0	0	0
Amortization of premium and accretion of discount, net	0	0	0	0
Changes in assets and liabilities:
Reinsurance balances receivable	0	0	0	0
Deferred acquisition costs, net	0	0	0	0
Unearned premiums ceded	0	0
Loss and loss adjustment expenses recoverable	0	0	0
Other assets	0	0	0	0	0
Interest and dividends receivable, net	0	0	0	0
Unearned premium reserves	0	0	0	0
Loss and loss adjustment expense reserves	0	0	0	0
Accounts payable and accrued expenses	0	0	0	0	0
Reinsurance balances payable	0	0	0
Performance fee payable to related party	0	0
Amounts due from affiliates	0	0	0	0
Amounts due to affiliates	0	0	0	0
Net cash provided by (used in) operating activities	0	0	0	0	0
Investing activities
Purchases of investments	0	0	0	0
Proceeds from sales of investments	0	0	0	0
Purchases of investments to cover short sales	0	0	0	0
Proceeds from short sales of investments	0	0	0	0
Change in due to/from brokers, net	0	0	0	0
Increase (decrease) in securities purchased under an agreement to sell	0	0	0	0
Non-controlling interest in investment affiliate	0	0	0	0
Change in restricted cash and cash equivalents	0	0	0	0
Contributed capital (to) from subsidiaries		0	0	0	0
Net cash used in investing activities	0	0	0	0	0
Financing activities
Proceeds from issuance of common shares, net of costs	0	0	0	0	0
Increase in deposit liabilities	0	0	0	0
Non-controlling interest in Catastrophe Fund	0	0	0	0
Non-controlling interest in Catastrophe Fund Manager	0	0	0	0
Dividend received by (paid to) parent	0
Net cash provided by financing activities	0	0	0	0	0
Net (decrease) increase in cash and cash equivalents	0	0	0	0	0
Cash and cash equivalents at beginning of period	0	0	0	0	0
Cash and cash equivalents at end of period	0	0	0	0	0
Reportable Legal Entities \| Non-Guarantor Subsidiaries
Operating activities
Net income (loss)	69,224	147,618	228,646	101,346	(1,092)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Equity in earnings of subsidiaries	0	0	0	0	0
Share compensation expense	6,396	7,611	9,800	6,408
Interest expense on deposit liabilities	3,687
Net unrealized gain on investments and derivatives	68,107	(30,541)	(78,950)	(113,421)
Net realized gain on investments and derivatives	(184,133)	(176,673)	(236,333)	(55,632)
Amortization of premium and accretion of discount, net	1,031	(2,868)	(262)	(2,434)
Changes in assets and liabilities:
Reinsurance balances receivable	(65,718)	(57,669)	(107,483)	(84,280)
Deferred acquisition costs, net	(33,180)	(13,180)	(45,810)	(45,383)
Unearned premiums ceded	(91)	(2,494)
Loss and loss adjustment expenses recoverable	7,865	(6,284)	(9,277)
Other assets	(185)	(73)	411	(1,668)	(1,418)
Interest and dividends receivable, net	(2,576)	(775)	(1,034)	(833)
Unearned premium reserves	98,479	70,022	171,294	93,893
Loss and loss adjustment expense reserves	52,982	76,436	67,060	67,271
Accounts payable and accrued expenses	(3,075)	(136)	4,154	3,475	1,408
Reinsurance balances payable	12,133	8,579	9,081
Performance fee payable to related party	21,837	40,264
Amounts due from affiliates	1,684	(557)	(353)	770
Amounts due to affiliates	4,172	(1,447)	(2,020)	(2,152)
Net cash provided by (used in) operating activities	58,639	57,833	8,924	(32,640)	(1,102)
Investing activities
Purchases of investments	(2,150,821)	(1,475,391)	(2,172,077)	(2,317,234)
Proceeds from sales of investments	1,998,673	1,539,990	1,943,655	1,521,110
Purchases of investments to cover short sales	(141,468)	(342,282)	(407,965)	(535,443)
Proceeds from short sales of investments	150,098	251,085	290,770	729,182
Change in due to/from brokers, net	177,516	(311,503)	12,162	(65,678)
Increase (decrease) in securities purchased under an agreement to sell	18,250	22,487	22,261	(60,408)
Non-controlling interest in investment affiliate	(49,415)	(33,114)	29,588	40,129
Change in restricted cash and cash equivalents	(68,389)	(81,663)	(115,950)	(77,627)
Contributed capital (to) from subsidiaries		286,246	286,257	170,110	593,343
Net cash used in investing activities	(65,556)	(144,145)	(111,299)	(595,859)	593,343
Financing activities
Proceeds from issuance of common shares, net of costs	0	0	0	0	0
Increase in deposit liabilities	5,782	41,793	70,500	50,446
Non-controlling interest in Catastrophe Fund	10,023	28,515	29,608	19,646
Non-controlling interest in Catastrophe Fund Manager	(18)	(164)	(238)	2
Dividend received by (paid to) parent	(8,000)
Net cash provided by financing activities	7,787	70,144	99,870	70,094	0
Net (decrease) increase in cash and cash equivalents	870	(16,168)	(2,505)	(558,405)	592,241
Cash and cash equivalents at beginning of period	31,331	33,836	33,836	592,241	0
Cash and cash equivalents at end of period	32,201	17,668	31,331	33,836	592,241
Eliminations
Operating activities
Net income (loss)	(69,224)	(147,618)	(228,646)	(101,346)	1,092
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Equity in earnings of subsidiaries	69,224	147,618	228,646	101,346	(1,092)
Share compensation expense	0	0	0	0
Interest expense on deposit liabilities	0
Net unrealized gain on investments and derivatives	0	0	0	0
Net realized gain on investments and derivatives	0	0	0	0
Amortization of premium and accretion of discount, net	0	0	0	0
Changes in assets and liabilities:
Reinsurance balances receivable	0	0	0	0
Deferred acquisition costs, net	0	0	0	0
Unearned premiums ceded	0	0
Loss and loss adjustment expenses recoverable		0	0
Other assets	0	0	0	0	0
Interest and dividends receivable, net	0	0	0	0
Unearned premium reserves	0	0	0	0
Loss and loss adjustment expense reserves	0	0	0	0
Accounts payable and accrued expenses	0	0	0	0	0
Reinsurance balances payable	0	0	0
Performance fee payable to related party	0	0
Amounts due from affiliates	0	0	0	0
Amounts due to affiliates	0	0	0	0
Net cash provided by (used in) operating activities	0	0	0	0	0
Investing activities
Purchases of investments	0	0	0	0
Proceeds from sales of investments	0	0	0	0
Purchases of investments to cover short sales	0	0	0	0
Proceeds from short sales of investments	0	0	0	0
Change in due to/from brokers, net	0	0	0	0
Increase (decrease) in securities purchased under an agreement to sell	0	0	0	0
Non-controlling interest in investment affiliate	0	0	0	0
Change in restricted cash and cash equivalents	0	0	0	0
Contributed capital (to) from subsidiaries		0		0	0
Net cash used in investing activities	0	0	0	0	0
Financing activities
Proceeds from issuance of common shares, net of costs	0	0	0	0	0
Increase in deposit liabilities	0	0	0
Non-controlling interest in Catastrophe Fund	0	0	0	0
Non-controlling interest in Catastrophe Fund Manager	0	0	0	0
Dividend received by (paid to) parent	0
Net cash provided by financing activities	0	0	0	0	0
Net (decrease) increase in cash and cash equivalents	0	0	0	0	0
Cash and cash equivalents at beginning of period	0	0	0	0	0
Cash and cash equivalents at end of period	$ 0	$ 0	$ 0	$ 0	$ 0

Dividends Received by (Paid to) Parent Company

No definition available.

Name:	tpre_DividendsReceivedbyPaidtoParentCompany
Namespace Prefix:	tpre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Increase (Decrease) in Deposit Contracts, Liabilities

+ References

No definition available.

+ Details

Name:	tpre_IncreaseDecreaseinDepositContractsLiabilities
Namespace Prefix:	tpre_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Payments to Non-Controlling Interest Fund Manager

+ References

No definition available.

+ Details

Name:	tpre_PaymentstoNonControllingInterestFundManager
Namespace Prefix:	tpre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Proceeds from (Payments to) Subsidiaries Contributed Capital

+ References

No definition available.

+ Details

Name:	tpre_ProceedsfromPaymentstoSubsidiariesContributedCapital
Namespace Prefix:	tpre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net realized gains (losses) on investments and derivatives sold during the period.

+ References

No definition available.

+ Details

Name:	tpre_RealizedGainsLossesOnSaleOfInvestmentsAndDerivatives
Namespace Prefix:	tpre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

+ References

+ Details

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

- Details

Name:	us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585

+ Details

Name:	us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 230

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6450594&loc=d3e33268-110906

+ Details

Name:	us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.12)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 11

-Article 7

+ Details

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

- Definition

The increase (decrease) during the reporting period in receivables to be collected from an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership.

+ References

+ Details

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

- Definition

The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the balance sheet value of capitalized sales costs that are associated with acquiring a new insurance customers.

+ References

+ Details

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

- Definition

The increase (decrease) in obligations owed to an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInDueToAffiliates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the aggregate amount due to the entity in the form of unpaid interest and dividends.

+ References

+ Details

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

- Definition

The increase (decrease) during the reporting period in the reserve account established to account for expected but unspecified losses.

+ References

+ Details

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

- Details

Name:	us-gaap_IncreaseDecreaseInOperatingCapitalAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

+ References

+ Details

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

- Definition

The increase (decrease) during the reporting period in the aggregate amount of obligations incurred arising from transactions with broker-dealers, such as amounts due on margin and unsettled cash transactions; includes payables to brokers, dealers and clearing organizations.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInPayablesToBrokerDealers
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The change in the premium receivable balance on the balance sheet.

+ References

+ Details

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

- Definition

The change in prepaid reinsurance premiums recorded on the balance sheet, which is needed to adjust net income to arrive at net cash flows provided by or used in operations.

+ References

+ Details

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

- Definition

The increase (decrease) during the reporting period in the amount due to other insurance companies when the reporting entity has assumed a portion of the cedant's insurance risk which has resulted in insurance losses.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInReinsurancePayables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) during the reporting period in the amount of benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types.

+ References

+ Details

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

- Definition

The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

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

- Definition

Amount of increase (decrease) unearned premiums written. Excludes portion of unearned premiums amortized into income.

+ References

+ Details

Name:	us-gaap_IncreaseDecreaseInUnearnedPremiums
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate amount of interest expense on all deposits.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.6)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 6

-Article 9

+ Details

Name:	us-gaap_InterestExpenseDeposits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 26

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585

+ Details

Name:	us-gaap_NetCashProvidedByUsedInFinancingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 26

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585

+ Details

Name:	us-gaap_NetCashProvidedByUsedInInvestingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

Name:	us-gaap_NetCashProvidedByUsedInOperatingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 20

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.19)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.18)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.22)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e565-108580

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

+ Details

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

- Definition

The cash outflow for derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

+ References

No definition available.

+ Details

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

- Definition

The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585

+ Details

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

- Definition

The cash outflow to acquire securities classified as trading securities and held for investment purposes. Excludes payments for trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).

+ References

No definition available.

+ Details

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

- Definition

The cash inflow provided by derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

+ References

No definition available.

+ Details

Name:	us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_ProceedsFromMinorityShareholders
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The net cash flow from purchases followed by sales of securities under terms of reverse repurchase agreements.

+ References

+ Details

Name:	us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow (outflow) from sales and purchases of trading securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562

+ Details

Name:	us-gaap_ProceedsFromPaymentsForTradingSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period.

+ References

+ Details

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

- Details

Name:	dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_ConsolidationEliminationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_ReportableLegalEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: