XML 34 R87.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans To And Investments In Associated Companies (HomeFed) (Narrative) (Details) (HomeFed Corporation [Member], USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Investments In Associated Companies [Line Items]    
Shares of common stock owned 9,974,226us-gaap_InvestmentOwnedBalanceShares  
Percentage of ownership owned 65.00%us-gaap_EquityMethodInvestmentOwnershipPercentage  
Cash paid on acquisition of common shares   $ 14.0luk_CashPaidOnAcquisitionOfCommonShares
Common shares acquired   7,500,000luk_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceivedShares
Maximum voting rights as a percentage of total voting securities voting 45.00%luk_MaximumVotingRightsAsPercentageOfTotalVotingSecuritiesVoting  
Deferred gain on sale   $ 36.1luk_DeferredGainOnSale
Company Chairman [Member]    
Investments In Associated Companies [Line Items]    
Ownership percentage of company 4.80%luk_OwnershipPercentageOfCompany
/ dei_LegalEntityAxis
= luk_HomefedCorporationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= luk_CompanyChairmanMember