UCP Initial Public Offering (Details) Narrative (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014
Noncontrolling Interest [Line Items]
Proceeds from IPO	$ 105,500,000
Increase in additional paid In capital, from subsidiary IPO	14,700,000
Percentage of cash savings realized from increase in tax basis		85.00%
UCP
Noncontrolling Interest [Line Items]
Subsidiary ownership interest held by related party		57.70%
Voting ownership percentage of noncontrolling interest		42.30%
Initial carrying value of noncontrolling interest	$ 90,749,000
Number of seats on the board of directors		2
Percentage ownership required to maintain right to elect two members to board of directors		25.00%
Percentage ownership required to maintain right to elect a members to board of directors		10.00%
Percentage of cash payment from subsidiary for increases in tax basis		15.00%
IPO | Common Class A
Noncontrolling Interest [Line Items]
Shares issued during the period (in shares)	7,750,000
Share Price (in dollars per share)	$ 15