v3.25.3

Debt - Sale-Leaseback Financing Transactions (Details)		3 Months Ended		9 Months Ended
Debt - Sale-Leaseback Financing Transactions (Details)	Sep. 29, 2022 USD ($) renewalTerm	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Debt Disclosure [Abstract]
Purchase of property under sale and leaseback transaction	$ 7,800,000	$ 2,300,000		$ 2,300,000		$ 2,400,000
Purchase price	5,400,000
Tenant improvement allowance	$ 2,400,000
Lease agreement, term	25 years
Lease agreement, number of renewal terms \| renewalTerm	2
Lease agreement, renewal term	5 years
Sale leaseback transaction, annual minimum rent	$ 499,730
Annual increase rate	2.50%
Termination fee	$ 1,700,000
Discount rate	11.11%			11.11%
Tenant improvement allowance, implicit rate	6.53%
Sale leaseback transaction, gain or loss recognized				$ 0
Finance lease liability		5,000,000		5,000,000
Financing interest expense		$ 100,000	$ 400,000	$ 100,000	$ 400,000

Sale and Leaseback Transaction, Lease Agreement, Termination Fee

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sale Leaseback Transaction, Annual Minimum Rent

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sale Leaseback Transaction Current Period Gain or Loss Recognized

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sale Leaseback Transaction, Discount Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sale Leaseback Transaction, Finance Lease, Liability, Net of Financing Costs

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sale Leaseback Transaction, Purchase Price Excluding Tenant Improvement Allowance

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sale Leaseback Transaction, Tenant Improvement Allowance

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sale Leaseback Transaction, Tenant Improvement Allowance, Discount Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sales, Leaseback Transaction, Annual Rent Increase

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sales Leaseback Transaction, Financing Interest Expense

+ References

No definition available.

+ Details

Name:	lmb_SalesLeasebackTransactionFinancingInterestExpense
Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sales Leaseback Transactions, Lease Agreement, Number Of Renewal Terms

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Sales Leaseback Transactions, Lessee, Finance Lease, Renewal Term

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Sales Leaseback Transactions Lessee, Finance Lease, Term Of Contract

+ References

No definition available.

+ Details

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Namespace Prefix:	lmb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481266/840-40-55-50

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 52
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481266/840-40-55-52

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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-Name Accounting Standards Codification
-Section 55
-Paragraph 51
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481266/840-40-55-51

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479741/842-40-50-2

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

Limbach Holdings, Inc. 10-Q