Note 3 - Business Acquisitions (Details) - Acquisition and Integration Expenses Related to the Merger - The Ryland Group, Inc. [Member] $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($)
Note 3 - Business Acquisitions (Details) - Acquisition and Integration Expenses Related to the Merger [Line Items]
Severance and personnel costs	$ 38,970
Professional service, real estate related, and other expenses	13,066
Total	$ 52,036

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration