Royal Oaks Homes Acquisition - Narrative (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Mar. 13, 2014 USD ($) lot	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Business Acquisition [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount		$ 3,700		$ 3,700
Royal Oak LLC and Affiliate [Member]
Business Acquisition [Line Items]
Cash payments to acquire businesses	$ 65,000
Potential earn-out	3,000
Estimate of total payment for the earn-out		2,400
Contingent consideration (earn-out)		1,200
Target earn-out				$ 3,000
Trade name	$ 614
Amortization of Intangible Assets		$ 100
Transaction and integration costs			$ 100		$ 1,000
Royal Oak LLC and Affiliate [Member] | Minimum [Member]
Business Acquisition [Line Items]
Performance target to receive earn-out	50.00%
Royal Oak LLC and Affiliate [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Trade name	$ 600
Amortization period	3 years
Royal Oak LLC and Affiliate [Member] | Lots Owned Or Controlled [Member]
Business Acquisition [Line Items]
Number of primary residential lots | lot	2,500