Goodwill (Changes To The Carrying Amount) (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
|
Dec. 31, 2013
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Dec. 31, 2012
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|
Goodwill [Roll Forward] | |||
Beginning balance | $ 90,501us-gaap_Goodwill | $ 90,578us-gaap_Goodwill | |
Benefit applied to reduce goodwill | (68)lts_BenefitAppliedToReduceGoodwill | (77)lts_BenefitAppliedToReduceGoodwill | (71)lts_BenefitAppliedToReduceGoodwill |
Business acquisitions | 24,805us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates | ||
Ending balance | 115,238us-gaap_Goodwill | 90,501us-gaap_Goodwill | 90,578us-gaap_Goodwill |
Ladenburg | |||
Goodwill [Roll Forward] | |||
Beginning balance |
301us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_LadenburgThalmannAndCoIncMember |
301us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_LadenburgThalmannAndCoIncMember |
|
Benefit applied to reduce goodwill |
0lts_BenefitAppliedToReduceGoodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_LadenburgThalmannAndCoIncMember |
0lts_BenefitAppliedToReduceGoodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_LadenburgThalmannAndCoIncMember |
|
Business acquisitions |
0us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_LadenburgThalmannAndCoIncMember |
||
Ending balance |
301us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_LadenburgThalmannAndCoIncMember |
301us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_LadenburgThalmannAndCoIncMember |
|
Independent brokerage and advisory services | |||
Goodwill [Roll Forward] | |||
Beginning balance |
90,200us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_IndependentBrokerageAndAdvisoryServicesMember |
90,277us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_IndependentBrokerageAndAdvisoryServicesMember |
|
Benefit applied to reduce goodwill |
(68)lts_BenefitAppliedToReduceGoodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_IndependentBrokerageAndAdvisoryServicesMember |
(77)lts_BenefitAppliedToReduceGoodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_IndependentBrokerageAndAdvisoryServicesMember |
|
Business acquisitions |
13,290us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_IndependentBrokerageAndAdvisoryServicesMember |
||
Ending balance |
103,422us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_IndependentBrokerageAndAdvisoryServicesMember |
90,200us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_IndependentBrokerageAndAdvisoryServicesMember |
|
Insurance Brokerage [Member] | |||
Goodwill [Roll Forward] | |||
Beginning balance |
0us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_InsuranceBrokerageMember |
0us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_InsuranceBrokerageMember |
|
Benefit applied to reduce goodwill |
0lts_BenefitAppliedToReduceGoodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_InsuranceBrokerageMember |
0lts_BenefitAppliedToReduceGoodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_InsuranceBrokerageMember |
|
Business acquisitions |
11,515us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_InsuranceBrokerageMember |
||
Ending balance |
$ 11,515us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_InsuranceBrokerageMember |
$ 0us-gaap_Goodwill / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lts_InsuranceBrokerageMember |
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- Definition
The reduction in goodwill by appling the other benefits. No definition available.
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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