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Inventory (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Inventory Disclosure [Abstract]
Write-offs of deposits and pre-acquisition costs	$ 4,503	$ 1,866	$ 8,013	$ 3,235

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- Definition

Write Off Of Deposits And Pre Acquisition Costs

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No definition available.

+ Details

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

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- References

No definition available.

+ Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration