v3.25.2

ORGANIZATION AND BASIS OF PRESENTATION - Narrative (Details)		6 Months Ended
	Nov. 21, 2024	Jun. 30, 2025 USD ($) region state community	Dec. 31, 2024 USD ($)
Organization and Presentation [Line Items]
Entity operations in number of regions \| region		3
Number of states in regions \| state		12
Deposits on real estate under option or contract		$ 221,359,000	$ 192,405,000
ROU assets		53,116,000	52,941,000
Lease liabilities		56,136,000	55,825,000
Contract asset insurance renewals		$ 0	0
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Number of communities in which homes are sold \| community		312
Cash and cash equivalents [Member]
Organization and Presentation [Line Items]
Amounts in transit from title companies for home closings		$ 59,700,000	$ 29,000,000.0
Minimum [Member]
Organization and Presentation [Line Items]
Base price per house for sale range		$ 170,000
Community life cycle range		3 years
Maximum [Member]
Organization and Presentation [Line Items]
Base price per house for sale range		$ 1,040,000
Community life cycle range		5 years
Maximum [Member] \| Non-Structural Items [Member]
Organization and Presentation [Line Items]
Warranty period following home closings		2 years
Maximum [Member] \| Structural [Member]
Organization and Presentation [Line Items]
Warranty period following home closings		10 years

Amounts in transit from title companies for home closings.

+ References

No definition available.

+ Details

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

- Definition

The price range as of the balance sheet date relating to the houses the Company has for sale.

+ References

No definition available.

+ Details

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Namespace Prefix:	mth_
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Balance Type:	credit
Period Type:	instant

- Definition

The range in number of years it takes to develop and sell a community starting with the acquisition of the land.

+ References

No definition available.

+ Details

Name:	mth_CommunityLifeCycleRange
Namespace Prefix:	mth_
Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

Contract Asset, Insurance Renewals

+ References

No definition available.

+ Details

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Namespace Prefix:	mth_
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Balance Type:	debit
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- Definition

The number of regions in the country where the Company has operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	mth_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

The number of communities in which the Company is actively selling homes as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	mth_
Data Type:	xbrli:integerItemType
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Period Type:	instant

- Definition

Organization and presentation line items.

+ References

No definition available.

+ Details

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Namespace Prefix:	mth_
Data Type:	xbrli:stringItemType
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- Definition

Warranty period following home closings.

+ References

No definition available.

+ Details

Name:	mth_WarrantyPeriodFollowingHomeClosings
Namespace Prefix:	mth_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

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Meritage Homes CORP 10-Q