Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger - The Ryland Group, Inc. [Member]	Oct. 01, 2015 shares
Ryland Group, Inc [Member] | Common Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Split/Exchange Ratio	1.0191
Accelerated Vesting of Ryland Equity Awards	1.0191
Ryland Group, Inc [Member] | Accelerated Vesting of Equity Awards [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Split/Exchange Ratio	1.0191
Accelerated Vesting of Ryland Equity Awards	1.0191
Before Stock Split [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	412,124,419
Before Stock Split [Member] | Ryland Group, Inc [Member] | Common Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	46,856,558
Before Stock Split [Member] | Ryland Group, Inc [Member] | Accelerated Vesting of Equity Awards [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Accelerated Vesting of Ryland Equity Awards	234,751
After Stock Split [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	120,996,334
After Stock Split [Member] | Fractional Shares Paid Out [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	(1,041)
After Stock Split [Member] | Ryland Group, Inc [Member] | Common Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	47,751,518
After Stock Split [Member] | Ryland Group, Inc [Member] | Accelerated Vesting of Equity Awards [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Accelerated Vesting of Ryland Equity Awards	239,235
Reverse Stock Split [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Split/Exchange Ratio	5
Accelerated Vesting of Ryland Equity Awards	5
Reverse Stock Split [Member] | Standard Pacific [Member] | Common Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Split/Exchange Ratio	5
Accelerated Vesting of Ryland Equity Awards	5
Reverse Stock Split [Member] | Standard Pacific [Member] | Preferred Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Split/Exchange Ratio	5
Accelerated Vesting of Ryland Equity Awards	5
Reverse Stock Split [Member] | Before Stock Split [Member] | Standard Pacific [Member] | Common Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	277,220,324
Reverse Stock Split [Member] | Before Stock Split [Member] | Standard Pacific [Member] | Preferred Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	87,812,786
Reverse Stock Split [Member] | After Stock Split [Member] | Standard Pacific [Member] | Common Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	55,444,065
Reverse Stock Split [Member] | After Stock Split [Member] | Standard Pacific [Member] | Preferred Stock [Member]
Note 3 - Business Acquisitions (Details) - Components of Common Stock Outstanding Immediately Following the Merger [Line Items]
Shares Outstanding	17,562,557