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Segment Information, Nature of Operations, and Certain Concentrations - Depreciation and Amortization (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | $ 17,396 | $ 19,463 | $ 21,992
Profit before taxes: |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 15,315 | 16,678 | 18,745
Profit before taxes: | Home Building | Mid Atlantic |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 5,923 | 6,183 | 6,806
Profit before taxes: | Home Building | North East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 1,216 | 1,628 | 1,800
Profit before taxes: | Home Building | Mid East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 3,948 | 4,259 | 4,969
Profit before taxes: | Home Building | South East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 3,093 | 3,325 | 3,636
Profit before taxes: | Mortgage Banking |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 1,135 | 1,283 | 1,534
Other unallocated interest income |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | $ 2,081 | $ 2,785 | $ 3,247

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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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