Note 9 - Capitalization of Interest - Interest Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Homebuilding interest incurred	$ 62,631	$ 55,170	$ 52,681
Less: Interest capitalized	(62,631)	(55,170)	(52,681)
Homebuilding interest expensed
Interest capitalized, beginning of period	57,541	68,085	77,541
Plus: Interest capitalized during period	62,631	55,170	52,681
Less: Previously capitalized interest included in home and land cost of sales	(65,327)	(65,714)	(62,137)
Interest capitalized, end of period	$ 54,845	$ 57,541	$ 68,085

Amount of interest capitalized during the period.

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Total interest costs incurred during the period and either capitalized or charged against earnings.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
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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
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-Section 50
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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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The amount of interest capitalized to an operative builder's inventory during the period.

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