2014 Business Combinations (Schedule of Assets and Liabilities Acquired) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Nov. 13, 2014	Aug. 12, 2014	Apr. 01, 2014
Assets acquired and liabilities assumed
Goodwill	$ 21,365	$ 21,137
Las Vegas Land Holdings [Member]
Assets acquired and liabilities assumed
Accounts receivable					$ 347
Inventories					145,599
Prepaid expenses and other assets					1,876
Property and equipment					8,619
Amortizable intangible assets					3,042
Goodwill					11,283
Total assets					170,766
Accounts payable					2,074
Accrued expenses and other liabilities (inclusive of earnout liability)					1,816
Notes payable and capital lease obligations					1,497
Total liabilities					$ 5,387
Grand View Builders Inc. [Member]
Assets acquired and liabilities assumed
Accounts receivable				$ 188
Inventories				12,070
Prepaid expenses and other assets				295
Property and equipment				185
Amortizable intangible assets				1,748
Goodwill				1,746
Total assets				16,232
Accrued expenses and other liabilities (inclusive of earnout liability)				3,376
Total liabilities				$ 3,376
Peachtree Communities [Member]
Assets acquired and liabilities assumed
Accounts receivable			$ 11
Inventories			48,034
Prepaid expenses and other assets			762
Property and equipment			54
Amortizable intangible assets			4,044
Goodwill			7,857
Total assets			60,762
Accounts payable			3,304
Accrued expenses and other liabilities (inclusive of earnout liability)			3,108
Total liabilities			$ 6,412