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Segment Disclosures - Corporate Capital Allocation Charge (Detail) - Corporate and Reconciling Items [Member] - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | $ 54,559 | $ 50,700
Home Building [Member] | Mid Atlantic [Member] |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | 30,417 | 30,449
Home Building [Member] | North East [Member] |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | 4,727 | 4,180
Home Building [Member] | Mid East [Member] |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | 9,015 | 7,973
Home Building [Member] | South East [Member] |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | $ 10,400 | $ 8,098

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- Definition The corporate capital allocation charge is eliminated in consolidation and is based on the segment’s average net assets employed. + References No definition available. + Details
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Balance Type: | credit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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Namespace Prefix: |
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- Details
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- Details
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- Details
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- Details
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