Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment
Regulated Energy	$ 850,041	$ 842,756
Unregulated Energy	147,221	145,734
Other businesses and eliminations	19,430	18,999
Total property, plant and equipment	1,016,692	1,007,489
Less: Accumulated depreciation and amortization	(222,650)	(215,313)
Plus: Construction work in progress	87,187	62,774
Net property, plant and equipment	881,229	854,950
Current Assets
Cash and cash equivalents	3,315	2,855
Accounts receivable (less allowance for uncollectible accounts of $684 and $909, respectively)	44,434	41,007
Accrued revenue	12,331	12,452
Propane inventory, at average cost	5,412	6,619
Other inventory, at average cost	4,289	3,803
Regulatory assets	6,451	8,268
Storage gas prepayments	1,213	3,410
Income taxes receivable	16,260	24,950
Prepaid expenses	4,982	7,146
Mark-to-market energy assets	0	153
Other current assets	1,688	1,044
Total current assets	100,375	111,707
Deferred Charges and Other Assets
Goodwill	15,070	14,548
Other intangible assets, net	2,128	2,222
Investments, at fair value	3,674	3,644
Regulatory assets	76,934	77,519
Receivables and other deferred charges	2,574	2,831
Total deferred charges and other assets	100,380	100,764
Total Assets	1,081,984	1,067,421
Stockholders’ equity
Common stock, par value $0.4867 per share (authorized 25,000,000 shares)	7,449	7,432
Additional paid-in capital	190,389	190,311
Retained earnings	182,165	166,235
Accumulated other comprehensive loss	(5,751)	(5,840)
Deferred compensation obligation	2,221	1,883
Treasury stock	(2,221)	(1,883)
Total stockholders’ equity	374,252	358,138
Long-term debt, net of current maturities	148,602	149,006
Total capitalization	522,854	507,144
Current Liabilities
Current portion of long-term debt	9,163	9,151
Short-term borrowing	172,742	173,397
Accounts payable	36,299	39,300
Customer deposits and refunds	27,039	27,173
Accrued interest	3,021	1,311
Dividends payable	4,400	4,390
Accrued compensation	4,107	10,014
Regulatory liabilities	9,313	7,365
Mark-to-market energy liabilities	423	433
Other accrued liabilities	7,942	7,059
Total current liabilities	274,449	279,593
Deferred Credits and Other Liabilities
Deferred income taxes	197,416	192,600
Regulatory liabilities	42,946	43,064
Environmental liabilities	8,843	8,942
Other pension and benefit costs	32,848	33,481
Deferred investment tax credits and other liabilities	2,628	2,597
Total deferred credits and other liabilities	$ 284,681	$ 280,684
Other commitments and contingencies
Total Capitalization and Liabilities	$ 1,081,984	$ 1,067,421