Inventory Impairments (Summary Of Impairment Of Inventory) (USD $) In Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011
Asset impairments	$ 9,119	$ 9,398
Other Assets [Member]
Asset impairments	486	765
Land Held For Development [Member] | West [Member]
Asset impairments	5,919	5,919
Housing Held For Development [Member] | West [Member]
Asset impairments	954	954
Land Held For Development [Member] | Mountain [Member]
Asset impairments	1,236	1,236
Housing Held For Development [Member] | Mountain [Member]
Asset impairments	239	239
Land Held For Development [Member] | East [Member]
Asset impairments	285	285
Land Held For Development [Member]
Asset impairments	7,440	7,440
Housing Held For Development [Member]
Asset impairments	$ 1,193	$ 1,193