Note 7 - Inventories - Summary of Inventory (Details) - Homebuilding Segment [Member] - USD ($) $ in Thousands	Jun. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Housing Completed or Under Construction	$ 1,077,406	$ 944,091	$ 936,685
Land and Land Under Development	977,694		893,051
Total inventories	2,055,100		1,829,736
Reportable Segment, West [Member]
Housing Completed or Under Construction	571,762		489,136
Land and Land Under Development	613,931		517,697
Reportable Segment, Mountain [Member]
Housing Completed or Under Construction	396,272		328,897
Land and Land Under Development	308,304		309,072
Reportable Segment, East [Member]
Housing Completed or Under Construction	109,372		118,652
Land and Land Under Development	$ 55,459		$ 66,282

Carrying amount as of the balance sheet date of capitalized construction costs of homes for future sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities..

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