Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment
Regulated energy	$ 710,444	$ 691,522
Unregulated energy	78,616	76,267
Other	21,677	21,002
Total property, plant and equipment	810,737	788,791
Less: Accumulated depreciation and amortization	(186,663)	(174,148)
Plus: Construction work in progress	36,615	16,603
Net property, plant and equipment	660,689	631,246
Current Assets
Cash and cash equivalents	2,529	3,356
Accounts receivable (less allowance for uncollectible accounts of $1,819 and $1,635, respectively)	44,858	75,293
Accrued revenue	7,631	13,910
Propane inventory, at average cost	6,836	10,456
Other inventory, at average cost	3,382	4,880
Storage gas prepayments	3,131	4,318
Prepaid expenses	4,229	6,910
Income taxes receivable	0	2,609
Mark-to-market energy assets	136	385
Regulatory assets	5,822	2,436
Deferred income taxes	1,657	1,696
Other current assets	203	160
Total current assets	80,414	126,409
Deferred Charges and Other Assets
Investments, at fair value	3,542	3,098
Regulatory assets	66,300	66,584
Goodwill	4,625	4,354
Other intangible assets, net	2,775	2,975
Receivables and other deferred charges	2,740	2,856
Total deferred charges and other assets	79,982	79,867
Total Assets	821,085	837,522
Stockholders' equity
Common stock, par value $0.4867 per share (authorized 25,000,000 shares)	4,727	4,691
Additional paid-in capital	154,619	152,341
Retained earnings	139,350	124,274
Accumulated other comprehensive loss	(2,473)	(2,533)
Deferred compensation obligation	1,202	1,124
Treasury stock	(1,202)	(1,124)
Total stockholders' equity	296,223	278,773
Long-term debt, net of current maturities	165,370	117,592
Total capitalization	461,593	396,365
Current Liabilities
Current portion of long-term debt	11,117	11,353
Short-term borrowing	47,870	105,666
Accounts payable	30,184	53,482
Accrued compensation	5,495	8,394
Accrued interest	1,352	1,235
Dividends payable	3,933	3,710
Income Taxes Payable	695	0
Mark-to-market energy liabilities	32	127
Regulatory liabilities	5,875	4,157
Customer deposits and refunds	23,482	26,140
Other accrued liabilities	9,978	7,678
Total current liabilities	140,013	221,942
Deferred Credits and Other Liabilities
Deferred income taxes	142,766	142,597
Deferred investment tax credits	57	74
Regulatory liabilities	3,975	4,402
Accrued asset removal cost-Regulatory liability	39,991	39,510
Environmental liabilities	9,076	9,155
Other pension and benefit costs	20,123	21,000
Other liabilities	3,491	2,477
Total deferred credits and other liabilities	219,479	219,215
Other commitments and contingencies (Note 6)
Total Capitalization and Liabilities	$ 821,085	$ 837,522