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Basis of Presentation Payments to Acquire Businesses, Net of Cash Acquired (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Business Acquisitions [Abstract]
Payments for business acquisitions	$ (10,400)	$ (83,251)

X

- Definition

Business Acquisitions [Abstract]

+ References

No definition available.

+ Details

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Namespace Prefix:	phm_
Data Type:	xbrli:stringItemType
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X

- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

+ Details

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Period Type:	duration