Gas Reserves and Other Investments (tables)

6 Months Ended

Jun. 30, 2012

Gas Reserves Table [Abstract]

Gas Reserves Table [Text Block]

		June 30,				December 31,
Thousands		2012		2011		2011
Gas reserves, current		$	11,021	$	749	$	4,463
Gas reserves, non-current			69,097		15,403		48,597
Less: Accumulated amortization			4,071		-		1,146
	Total gas reserves		76,047		16,152		51,914
Less: Deferred taxes on gas reserves			26,839		3,440		15,630
Net investment in gas reserves		$	49,208	$	12,712	$	36,284