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Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2014 segment	Dec. 31, 2013	Dec. 31, 2012	Oct. 27, 2014
Accounting Policies [Line Items]
Allowance for doubtful accounts	$ 0	$ 0
Growth period	3 years
Asset impairment charges	0us-gaap_AssetImpairmentCharges	0us-gaap_AssetImpairmentCharges
Land not owned under option agreements	7,279,000	0
Tax deductible goodwill	70,900,000
One-time income tax benefit	(25,244,000)	0	0
Deferred tax assets	89,239,000us-gaap_DeferredTaxAssetsNet	0us-gaap_DeferredTaxAssetsNet
Valuation allowance for deferred tax assets	(1,161,000)	0	0
Deferred tax asset related to net operating loss carryforwards	62,575,000	0
Deferred tax asset related to basis in partnership	26,123,000	0
Percentage of controlling interests in several builders by parent	50.00%
Percentage of noncontrolling interests in several builders by parent	50.00%
Number of reportable segments	2us-gaap_NumberOfReportableSegments
Number of operating segments	2us-gaap_NumberOfOperatingSegments
Minimum
Accounting Policies [Line Items]
Community life cycle	2 years
Home construction period	3 months
Management assumption, cost increases on future phases	5.00%
Useful lives of assets	3 years
Estimated warranty accrual per home closed	250
Maximum
Accounting Policies [Line Items]
Community life cycle	6 years
Home construction period	8 months
Management assumption, cost increases on future phases	10.00%
Useful lives of assets	10 years
Estimated warranty accrual per home closed	800
Selling, General and Administrative Expenses
Accounting Policies [Line Items]
Advertising Expense	400,000	500,000	500,000
Other Assets
Accounting Policies [Line Items]
Debt issuance cost	400,000	0
Accrued Expenses
Accounting Policies [Line Items]
Debt issuance cost		200,000
Federal
Accounting Policies [Line Items]
Net operating loss carryforward	178,800,000
Operating loss carryforward, expiration date	Dec. 31, 2029
State
Accounting Policies [Line Items]
Net operating loss carryforward	21,600,000
Reverse Recapitalization
Accounting Policies [Line Items]
One-time income tax benefit				(26,564,000)
Deferred tax assets				63,900,000
Reverse Recapitalization \| Federal
Accounting Policies [Line Items]
Net operating loss carryforward				182,300,000
Reverse Recapitalization \| State
Accounting Policies [Line Items]
Net operating loss carryforward				$ 21,600,000