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v3.19.3.a.u2

Subsequent Events Narrative (Details) $ in Thousands | 2 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 20, 2020 USD ($) properties | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Subsequent Event [Line Items] |  |  |  |
Payments to acquire real estate |  | $ 662,010 | $ 315,959 | $ 558,571
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of real estate properties acquired | properties | 4 |  |  |
Payments to acquire real estate | $ 195,000 |  |  |

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- Definition Number of Real Estate Properties Acquired + References No definition available. + Details
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Namespace Prefix: | lxp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Period Type: |