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Segment Information (Land-Related Charges by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]
Land-related charges	$ 3,567	$ 1,748	$ 6,820	$ 13,930
Northeast
Restructuring Cost and Reserve [Line Items]
Land-related charges	223	419	357	5,264
Southeast
Restructuring Cost and Reserve [Line Items]
Land-related charges	1,915	725	3,253	2,401
Florida
Restructuring Cost and Reserve [Line Items]
Land-related charges	209	108	642	1,089
Midwest
Restructuring Cost and Reserve [Line Items]
Land-related charges	477	190	969	1,466
Texas
Restructuring Cost and Reserve [Line Items]
Land-related charges	141	82	932	1,068
West
Restructuring Cost and Reserve [Line Items]
Land-related charges	602	170	667	1,844
Other homebuilding
Restructuring Cost and Reserve [Line Items]
Land-related charges	$ 0	$ 54	$ 0	$ 798

X

- Definition

Nonrecurring impairment charges related to the write-off of production-related equipment and inventory. This tag is used when an Entity charges this cost to cost of goods sold.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

+ Details

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X

- 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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