Segment Reporting (tables)

6 Months Ended

Jun. 30, 2012

Segment Reporting Abstract

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended June 30,
			Non-Utility
Thousands		Utility		Gas Storage		Other		Total
2012
Net operating revenues	$	61,440	$	7,996	$	43	$	69,479
Depreciation and amortization		16,478		1,621		-		18,099
Income from operations		8,547		3,264		28		11,839
Net income (loss)		312		1,124		(27)		1,409
2011
Net operating revenues	$	60,048	$	7,197	$	(13)	$	67,232
Depreciation and amortization		15,946		1,600		-		17,546
Income (loss) from operations		9,667		3,017		(31)		12,653
Net income (loss)		1,090		1,315		(212)		2,193
	Six Months Ended June 30,
			Non-Utility
Thousands		Utility		Gas Storage		Other		Total
2012
Net operating revenues	$	194,590	$	14,675	$	82	$	209,347
Depreciation and amortization		32,816		3,233		-		36,049
Income from operations		84,511		5,943		51		90,505
Net income (loss)		40,103		1,930		(17)		42,016
Total assets at June 30, 2012		2,331,610		287,622		15,909		2,635,141
2011
Net operating revenues	$	189,210	$	12,501	$	29	$	201,740
Depreciation and amortization		31,860		2,995		-		34,855
Income (loss) from operations		85,791		4,733		(9)		90,515
Net income (loss)		41,220		2,003		(257)		42,966
Total assets at June 30, 2011		2,247,349		252,393		22,252		2,521,994
Total assets at December 31, 2011	$	2,435,888	$	294,637	$	16,049	$	2,746,574