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Summary of Significant Accounting Policies (Schedule Of The Company's Interests In Land Option Agreements) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Land under option agreement [Line Items] |  |
Deposits and Pre-acquisition Costs | $ 299,437 | $ 218,568
Remaining Purchase Price | 3,221,962 | 2,602,410
Other Land Option Agreements Member |  |
Land under option agreement [Line Items] |  |
Deposits and Pre-acquisition Costs | 175,662 | 127,851
Remaining Purchase Price | 1,755,377 | 1,522,903
Consolidated and Unconsolidated VIEs [Member] |  |
Land under option agreement [Line Items] |  |
Deposits and Pre-acquisition Costs | 123,775 | 90,717
Remaining Purchase Price | $ 1,466,585 | $ 1,079,507

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- Definition Land under option [Line Items] + References No definition available. + Details
Name: | phm_LandUnderOptionLineItems
Namespace Prefix: | phm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Remaining Purchase Price Of All Land Option Agreements + References No definition available. + Details
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Namespace Prefix: | phm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Carrying amount of an option or options to acquire real property. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |