Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease) During Period

No definition available.

Name:	lxp_DebtInstrumentBasisSpreadOnVariableRateIncreaseDecreaseDuringPeriod
Namespace Prefix:	lxp_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Length Of Extension

+ References

No definition available.

+ Details

Name:	lxp_LengthOfExtension
Namespace Prefix:	lxp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Extension Options

+ References

No definition available.

+ Details

Name:	lxp_NumberOfExtensionOptions
Namespace Prefix:	lxp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

Name:	us-gaap_DeferredFinanceCostsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

+ Details

Name:	us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=lxp_UnsecuredTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lxp_UnsecuredRevolvingCreditFacilityExpiringFebruary2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lxp_UnsecuredTermLoanExpiringJanuary2025Member
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Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lxp_RevolvingCreditFacilityExpiresInJuly2026Member
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Balance Type:
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- Details

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- Details

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Mortgages and Notes Payable - Credit Agreement Terms (Details)	1 Months Ended	12 Months Ended
	Jul. 31, 2022 extensionOption	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Number of extension options \| extensionOption	2
Length of extension	6 months
Write off of deferred debt issuance cost		$ 119,000
Unsecured Term Loan
Debt Instrument [Line Items]
Unamortized debt		1,041,000	$ 1,554,000
Unsecured Revolving Credit Facility, Expiring February 2023 \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility borrowings		0
Line of credit remaining borrowing capacity		600,000,000
Unsecured Revolving Credit Facility, Expiring February 2023 \| Unsecured Term Loan
Debt Instrument [Line Items]
Revolving credit facility borrowings		600,000,000
Unsecured Term Loan, Expiring January 2025 \| Unsecured Term Loan
Debt Instrument [Line Items]
Face amount		$ 300,000,000
Interest rate		2.722%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Revolving Credit Facility Expires in July 2026 \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate, increase (decrease) during period	0.0005
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Revolving Credit Facility Expires in July 2026 \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.725%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Revolving Credit Facility Expires in July 2026 \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.40%