Note 16 - Commitments and Contingencies (Details Textual) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Homeamerican [Member]
Letters of Credit Outstanding, Amount	$ 43.4
Option Contracts [Member]
Letters of Credit Outstanding, Amount	2.7
Earnest Money Deposits	$ 8.1
Right to Acquire Lots Under Options Contract	2,650
Surety Bonds, Issued and Outstanding	$ 162.1
Letters of Credit Outstanding, Amount	70.9
Estimated Cost Related to Bonds	44.0
Estimated Cost Related to Letters of Credit	$ 47.8