Note 13 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent, Total	24.30%	27.10%
Income Tax Expense (Benefit), Total	$ 11,802	$ 15,056
Deferred Income Tax Assets, Net, Total	20,660		$ 21,768
Homebuilding Segment [Member]
Deferred Income Tax Assets, Net, Total	$ 20,700		$ 21,800