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Quarterly Results (Unaudited) (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Write-off of insurance receivables			$ (12,600)	$ (11,600)
Adjustment to self insurance reserves	$ 31,100		$ 12,800			$ 37,900	$ (49,437)	$ (35,873)	$ (97,789)
Write-off of deposits and pre-acquisition costs					$ 9,600		13,116	16,992	11,367
Reserves provided					16,200		$ (225)	$ 16,130	$ (50)
Warranty Obligations
Cost of Goods and Services Sold		$ 9,000
Land inventory impairments
Cost of Goods and Services Sold					66,900
NRV adjustments on land held for sale
Cost of Goods and Services Sold					$ 9,000

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- Definition

Adjustment to self insurance reserves

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ 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),(d))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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