Construction In Progress, Capitalized Interest

No definition available.

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Period Type:	duration

- Definition

Number Of Build-To-Suit Real Estate Development Projects Under Construction

+ References

No definition available.

+ Details

Name:	lxp_NumberOfBuildToSuitRealEstateDevelopmentProjectsUnderConstruction
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Real Estate Development Projects Under Construction

+ References

No definition available.

+ Details

Name:	lxp_NumberOfRealEstateDevelopmentProjectsUnderConstruction
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Data Type:	xbrli:integerItemType
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- Definition

Area of land held.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_RealEstateLineItems
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Data Type:	xbrli:stringItemType
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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_RealEstateInvestmentMember
Namespace Prefix:
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- Details

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Investments in Real Estate - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) ft² a project	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Real Estate [Line Items]
Number of real estate under construction \| project	2
Number of build-to-suit development projects \| project	1
Investments in real estate under construction	$ 88,374		$ 75,906
Capitalized interest	502	$ 150
Real Estate Investment
Real Estate [Line Items]
Investments in real estate under construction	$ 88,374
Central Florida
Real Estate [Line Items]
VIE, ownership percentage	80.00%
Central Florida \| Real Estate Investment
Real Estate [Line Items]
VIE, ownership percentage	80.00%
Area of land (in acres) \| a	88.8
Estimated Sq. Ft. \| ft²	1,085,280
Investments in real estate under construction	$ 11,887