INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

INTANGIBLE ASSETS

Schedule of intangible assets that will continue to be amortized and those not amortized

	Weighted Average Amortization Period (years)	2012						2011
		Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Amortized intangible assets:
Water pumping rights	usage	$	1,084	$	79	$	1,005	$	1,084	$	14	$	1,070
Water planning studies	12		11,894		4,322		7,572		11,087		3,413		7,674
Leasehold improvements and other	21		1,140		249		891		1,086		345		741
Total	13	$	14,118	$	4,650	$	9,468	$	13,257	$	3,772	$	9,485
Unamortized intangible assets:
Perpetual water rights and other		$	4,495	$	—	$	4,495	$	3,229	$	—	$	3,229