Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment
Regulated energy	$ 532,616	$ 500,689
Unregulated energy	63,501	61,313
Other	19,988	16,989
Total property, plant and equipment	616,105	578,991
Less: Accumulated depreciation and amortization	(137,784)	(121,628)
Plus: Construction work in progress	9,383	5,394
Net property, plant and equipment	487,704	462,757
Current Assets
Cash and cash equivalents	2,637	1,643
Accounts receivable (less allowance for uncollectible accounts of $1,090 and $1,194, respectively)	76,605	88,074
Accrued revenue	10,403	14,978
Propane inventory, at average cost	9,726	8,876
Other inventory, at average cost	4,785	3,084
Regulatory assets	1,846	51
Storage gas prepayments	5,003	5,084
Income taxes receivable	6,998	6,748
Deferred income taxes	2,712	2,191
Prepaid expenses	5,072	4,613
Mark-to-market energy assets	1,754	1,642
Other current assets	219	289
Total current assets	127,760	137,273
Deferred Charges and Other Assets
Goodwill	4,090	35,613
Other intangible assets, net	3,127	3,459
Investments, at fair value	3,918	3,992
Long-term receivables	79	155
Regulatory assets	79,256	23,884
Other deferred charges	3,132	3,860
Total deferred charges and other assets	93,602	70,963
Total Assets	709,066	670,993
Stockholders' equity
Common stock, par value $0.4867 per share (authorized 25,000,000)	4,656	4,635
Additional paid-in capital	149,403	148,159
Retained earnings	91,248	76,805
Accumulated other comprehensive loss	(4,527)	(3,360)
Deferred compensation obligation	817	777
Treasury stock	(817)	(777)
Total stockholders' equity	240,780	226,239
Long-term debt, net of current maturities	110,285	89,642
Total capitalization	351,065	315,881
Current Liabilities
Current portion of long-term debt	8,196	9,216
Short-term borrowing	34,707	63,958
Accounts payable	55,581	65,541
Customer deposits and refunds	30,918	26,317
Accrued interest	1,637	1,789
Dividends payable	3,300	3,143
Accrued compensation	6,932	6,784
Regulatory liabilities	6,653	9,009
Mark-to-market energy liabilities	1,496	1,492
Other accrued liabilities	8,079	10,393
Total current liabilities	157,499	197,642
Deferred Credits and Other Liabilities
Deferred income taxes	115,624	80,031
Deferred investment tax credits	171	243
Regulatory liabilities	3,564	3,734
Environmental liabilities	9,492	10,587
Other pension and benefit costs	26,808	18,199
Accrued asset removal cost - Regulatory liability	36,584	35,092
Other liabilities	8,259	9,584
Total deferred credits and other liabilities	200,502	157,470
Other commitments and contingencies (Note P and Q)
Total Capitalization and Liabilities	$ 709,066	$ 670,993