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Segment Disclosures - Assets (Detail) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | $ 4,730,020 | $ 3,809,815
Contract land deposit reserve | (63,647) | (27,572)
Home Building [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 4,338,097 | 3,242,061
Cash and cash equivalents | 1,982,890 | 1,110,892
Operating lease right-of-use assets | 57,701 | 63,825
Mortgage Banking [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 391,923 | 567,754
Cash and cash equivalents | 17,986 | 29,412
Operating lease right-of-use assets | 14,226 | 13,345
Operating Segments [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 2,513,165 | 2,447,015
Operating Segments [Member] | Home Building [Member] | Mid Atlantic [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 1,148,688 | 1,024,996
Operating Segments [Member] | Home Building [Member] | North East [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 189,076 | 166,860
Operating Segments [Member] | Home Building [Member] | Mid East [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 346,232 | 293,773
Operating Segments [Member] | Home Building [Member] | South East [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 444,593 | 400,979
Operating Segments [Member] | Mortgage Banking [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 384,576 | 560,407
Corporate and Reconciling Items [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 2,216,855 | 1,362,800
Cash and cash equivalents | 1,982,890 | 1,110,892
Deferred taxes | 121,526 | 115,731
Intangible assets and goodwill | 49,756 | 49,834
Operating lease right-of-use assets | 57,701 | 63,825
Contract land deposit reserve | (63,647) | (27,572)
Consolidation adjustments and other | $ 68,629 | $ 50,090

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