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Inventory And Land Held For Sale (Land Held For Sale) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Inventory Disclosure [Abstract] |  |
Land held for sale, gross | $ 40,037 | $ 142,070
Net realizable value reserves | (3,188) | (73,686)
Land held for sale, net | $ 36,849 | $ 68,384

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- Definition Gross value of land held for sale. + References No definition available. + Details
Name: | phm_LandHeldForSaleGross
Namespace Prefix: | phm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Net realizable value reserves on land held for sale. + References No definition available. + Details
Name: | phm_LandHeldForSaleNRVReserves
Namespace Prefix: | phm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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

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- Definition Represents properties which were acquired directly or through foreclosure for which a committed plan to sell exists and an active program to market such properties has been initiated. + References No definition available. + Details
Name: | us-gaap_InventoryRealEstateHeldForSale
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant