Basis of Presentation and Summary of Significant Accounting Policies - Noncontrolling Interests (Details)	Sep. 30, 2014	Dec. 31, 2013
UCP
Related Party Transaction [Line Items]
Subsidiary ownership interest percentage held by related party	42.80%	42.30%
Northstar Agri Industries
Related Party Transaction [Line Items]
Subsidiary ownership interest percentage held by related party	12.30%

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant