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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013
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Base Building Improvements [Member] |
Commitments and Contingencies [Line Items] |
Other Commitment | $ 6,510
Tenant Improvement [Member] |
Commitments and Contingencies [Line Items] |
Other Commitment | $ 3,009

X
- Details
Name: | lxp_CommitmentsAndContingenciesLineItems
Namespace Prefix: | lxp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Other Commitment + References No definition available. + Details
Name: | lxp_OtherCommitment
Namespace Prefix: | lxp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant