2014 Business Combinations (Narrative) (Details) (USD $)	3 Months Ended	0 Months Ended	3 Months Ended	0 Months Ended
	Mar. 31, 2014	Apr. 01, 2014	Mar. 31, 2015	Aug. 12, 2014	Nov. 13, 2014	Dec. 31, 2014
Business Acquisition [Line Items]
Purchase price	$ 5,000,000
Fair value of acquisition earnout			2,292,000			2,426,000
Las Vegas Land Holdings [Member]
Business Acquisition [Line Items]
Purchase price		165,000,000
Number of lots		1,761
Number of communities		5
Number of homes in backlog		57
Number of model homes		17
Number of custom home lots		3
Number of golf courses		2
Number of commercial plots		2
Acquisition costs		800,000
Weighted average life of intangible assets			9 years 1 month 6 days
Goodwill amount expected to be tax deductible			10,500,000
Las Vegas Land Holdings [Member] | Minimum
Business Acquisition [Line Items]
Market gross margin			7.00%
Las Vegas Land Holdings [Member] | Maximum
Business Acquisition [Line Items]
Market gross margin			24.00%
Grand View Builders Inc. [Member]
Business Acquisition [Line Items]
Purchase price				13,000,000
Acquisition costs				100,000
Weighted average life of intangible assets			2 years 9 months 18 days
Fair value of acquisition earnout			2,500,000
Earnout period			2 years
Maximum earnout downward reduction amount			1,500,000
Goodwill amount expected to be tax deductible			3,700,000
Decrease in the estimated value of amortizable intangible assets			500,000
Decrease in the fair value of the earnout			100,000
Increase in Goodwill			400,000
Decrease of selling, general, and administrative expenses			100,000
Grand View Builders Inc. [Member] | Minimum
Business Acquisition [Line Items]
Market gross margin			6.00%
Potential earnout payments			0
Grand View Builders Inc. [Member] | Maximum
Business Acquisition [Line Items]
Market gross margin			18.00%
Potential earnout payments			5,300,000
Peachtree Communities [Member]
Business Acquisition [Line Items]
Purchase price					57,000,000
Number of lots					2,120
Number of communities					36
Acquisition costs					500,000
Weighted average life of intangible assets			5 years 1 month 6 days
Goodwill amount expected to be tax deductible			17,100,000
Peachtree Communities [Member] | Minimum
Business Acquisition [Line Items]
Market gross margin			6.00%
Peachtree Communities [Member] | Maximum
Business Acquisition [Line Items]
Market gross margin			18.00%
Home Plans [Member] | Peachtree Communities [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			200,000
Amortization period			7 years
Non-solicitation agreement [Member] | Las Vegas Land Holdings [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			1,400,000
Amortization period			2 years
Non-solicitation agreement [Member] | Peachtree Communities [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			3,200,000
Amortization period			5 years
Cell Phone Tower Leases [Member] | Las Vegas Land Holdings [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			1,400,000
Amortization period			16 years 7 months 6 days
Home plans [Member] | Las Vegas Land Holdings [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			300,000
Amortization period			7 years
Home plans [Member] | Grand View Builders Inc. [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			100,000
Amortization period			7 years
Noncompete Agreements [Member] | Grand View Builders Inc. [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			500,000
Amortization period			4 years
Trade Names [Member] | Grand View Builders Inc. [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			1,000,000
Amortization period			2 years
Backlog [Member] | Grand View Builders Inc. [Member]
Business Acquisition [Line Items]
Preliminary estimate of fair value			$ 200,000
Amortization period			1 year 6 months