XML 54 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.6

The Company (Details) | Dec. 31, 2012 states properties | Dec. 31, 2011 properties states
--- | --- | ---
The Company [Abstract] |  |
Number of Consolidated Properties | 220 | 185
Number of States in which Entity has Interests | 41 | 39

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

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant