Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Property, Plant and Equipment
Regulated energy	$ 511,008	$ 500,689
Unregulated energy	62,399	61,313
Other	18,926	16,989
Total property, plant and equipment	592,333	578,991
Less: Accumulated depreciation and amortization	(129,054)	(121,628)
Plus: Construction work in progress	8,317	5,394
Net property, plant and equipment	471,596	462,757
Investments, at fair value	4,109	4,036
Current Assets
Cash and cash equivalents	1,828	1,643
Accounts receivable (less allowance for uncollectible accounts of $1,095 and $1,194, respectively)	80,381	88,074
Accrued revenue	8,655	14,978
Propane inventory, at average cost	6,790	8,876
Other inventory, at average cost	3,266	3,084
Regulatory assets	289	51
Storage gas prepayments	3,672	5,084
Income taxes receivable	9,414	6,748
Deferred income taxes	2,170	2,191
Prepaid expenses	3,111	4,613
Mark-to-market energy assets	335	1,642
Other current assets	226	245
Total current assets	120,137	137,229
Deferred Charges and Other Assets
Goodwill	35,613	35,613
Other intangible assets, net	3,293	3,459
Long-term receivables	26	155
Regulatory assets	22,300	23,884
Other deferred charges	3,415	3,860
Total deferred charges and other assets	64,647	66,971
Total Assets	660,489	670,993
Stockholders' equity
Common stock, par value $0.4867 per share (authorized 25,000,000 shares)	4,654	4,635
Additional paid-in capital	148,796	148,159
Retained earnings	87,549	76,805
Accumulated other comprehensive loss	(2,999)	(3,360)
Deferred compensation obligation	796	777
Treasury stock	(796)	(777)
Total stockholders' equity	238,000	226,239
Long-term debt, net of current maturities	117,123	89,642
Total capitalization	355,123	315,881
Current Liabilities
Current portion of long-term debt	9,196	9,216
Short-term borrowing	4,248	63,958
Accounts payable	64,427	65,541
Customer deposits and refunds	25,135	26,317
Accrued interest	1,548	1,789
Dividends payable	3,299	3,143
Accrued compensation	4,623	6,784
Regulatory liabilities	11,960	9,009
Mark-to-market energy liabilities	216	1,492
Other accrued liabilities	12,081	10,393
Total current liabilities	136,733	197,642
Deferred Credits and Other Liabilities
Deferred income taxes	92,700	80,031
Deferred investment tax credits	203	243
Regulatory liabilities	3,670	3,734
Environmental liabilities	9,414	10,587
Other pension and benefit costs	17,816	18,199
Accrued asset removal cost - Regulatory liability	35,919	35,092
Other liabilities	8,911	9,584
Total deferred credits and other liabilities	168,633	157,470
Other commitments and contingencies (Note 4 and 5)
Total Capitalization and Liabilities	$ 660,489	$ 670,993