Note 8 - Capitalization of Interest - Interest Activity (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Homebuilding interest incurred	$ 15,639	$ 13,194	$ 31,264	$ 26,382
Less: Interest capitalized	(15,639)	(13,194)	(31,264)	(26,382)
Homebuilding interest expensed
Interest capitalized, beginning of period	58,738	66,076	57,541	68,085
Plus: Interest capitalized during period	15,639	13,194	31,264	26,382
Less: Previously capitalized interest included in home and land cost of sales	(16,150)	(17,179)	(30,578)	(32,376)
Interest capitalized, end of period	$ 58,227	$ 62,091	$ 58,227	$ 62,091

Amount of interest capitalized during the period.

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-SubTopic 20
-Section 50
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Total interest costs incurred during the period and either capitalized or charged against earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
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Carrying amount as of the balance sheet date of interest costs that were capitalized to properties under development during the land development and construction period of a project, and which are included in inventory.

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Amount of interest cost charged to cost of sales that had been previously capitalized to inventory.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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The amount of interest capitalized to an operative builder's inventory during the period.

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