Consolidated Financial Statements (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2015	Jun. 14, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Ownership interest in subsidiaries (as a percent)		100.00%
Business Acquisition [Line Items]
Business acquisition costs	$ 3.6
Standard Pacific
Business Acquisition [Line Items]
Stock conversion ratio per merger agreement (in shares)			0.2
Ryland Group, Inc.
Business Acquisition [Line Items]
Stock conversion ratio per merger agreement (in shares)			1.0191