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Employee Share-Based Incentive Compensation Plans (WTM Restricted Shares) (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended | 3 Months Ended
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2012 | Dec. 31, 2014
Restricted Share Cliff Vesting in January 2016 [Member] |  |  |  |
Target Performance Share activity |  |  |  |
Issued (in shares) | 25,720 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = wtm_RestrictedShareCliffVestingInJanuary2016Member |  |  |
Restricted Share Cliff Vesting in January 2015 [Member] |  |  |  |
Target Performance Share activity |  |  |  |
Issued (in shares) | 27,960 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = wtm_RestrictedShareCliffVestingInJanuary2015Member |  |  |
Restricted Share Vesting Beginning in February 2014 [Member] |  |  |  |
Target Performance Share activity |  |  |  |
Issued (in shares) | 3,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = wtm_RestrictedShareVestingBeginningInFebruary2014Member |  |  |
Unamortized grant date fair value |  |  |  |
Number of restricted shares installments | 2 wtm_NumberOfRestrictedSharesInstallments / us-gaap_AwardTypeAxis = wtm_RestrictedShareVestingBeginningInFebruary2014Member |  |  |
Restricted Share Cliff Vesting in July 2015 [Member] |  |  |  |
Target Performance Share activity |  |  |  |
Issued (in shares) | 1,200 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = wtm_RestrictedShareCliffVestingInJuly2015Member |  |  |
W T M Incentive and Phantom Plan [Member] | Restricted Share Cliff Vesting in January 2017 [Member] |  |  |  |
Target Performance Share activity |  |  |  |
Issued (in shares) |  | 23,440 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = wtm_RestrictedShareCliffVestinginJanuary2017Member / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember |  |
Restricted Share Vested in December 2012 [Member] | Restricted Stock |  |  |  |
Unamortized grant date fair value |  |  |  |
Number of restricted shares installments |  |  | 5,000 wtm_NumberOfRestrictedSharesInstallments / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_VestingAxis = wtm_RestrictedShareVestedInDecember2012Member |
White Mountains | W T M Incentive Plan | Restricted Stock |  |  |  |
Target Performance Share activity |  |  |  |
Beginning of period | 69,910 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 94,130 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 72,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Issued (in shares) | 25,720 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 23,440 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 32,160 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Vested (in shares) | (1,500)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (33,205)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (32,945)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Assumed forfeitures and cancellations (in shares) | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (1,051)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (1,305)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Ending December 31, | 94,130 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 83,314 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 69,910 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 83,314 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Unamortized grant date fair value |  |  |  |
Beginning balance | 16.8 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 17.0 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | $ 13.3 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Issued | 14.4 wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsIssuedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 13.1 wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsIssuedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 15.7 wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsIssuedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Assumed forfeitures and cancellations | 0 wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (0.5)wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (0.2)wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Expense recognized | 14.2 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 15.3 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (12.0)us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Ending balance | 17.0 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 14.3 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 16.8 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 14.3 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
White Mountains | W T M Incentive Plan | Performance Shares |  |  |  |
Target Performance Share activity |  |  |  |
Beginning of period | 119,357 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 119,220 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 150,064 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Assumed forfeitures and cancellations (in shares) | 3 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (4,201)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (782)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Ending December 31, | 119,220 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 123,549 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 119,357 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 123,549 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Unamortized grant date fair value |  |  |  |
Assumed forfeitures and cancellations | (0.6)wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (0.7)wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 0.6 wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Expense recognized | (42.4)us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (15.3)us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (21.0)us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |
Ending balance |  | 16.9 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 16.9 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Range Of Performance Cycle From 2014-2016 [Member] | W T M Incentive and Phantom Plan [Member] | Restricted Stock |  |  |  |
Target Performance Share activity |  |  |  |
Issued (in shares) |  |  |  | 3,040 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom20142016Member
Assumed forfeitures and cancellations (in shares) |  |  |  | (3,040)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom20142016Member
Range Of Performance Cycle From 2014-2016 [Member] | W T M Incentive and Phantom Plan [Member] | Performance Shares |  |  |  |
Target Performance Share activity |  |  |  |
Assumed forfeitures and cancellations (in shares) |  |  |  | (3,040)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom20142016Member

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of share instruments newly issued under a share-based compensation plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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