Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment
Regulated energy	$ 842,756	$ 766,855
Unregulated energy	145,734	84,773
Other businesses and eliminations	18,999	18,497
Total property, plant and equipment	1,007,489	870,125
Less: Accumulated depreciation and amortization	(215,313)	(193,369)
Plus: Construction work in progress	62,774	13,006
Net property, plant and equipment	854,950	689,762
Current Assets
Cash and cash equivalents	2,855	4,574
Accounts receivable (less allowance for uncollectible accounts of $909 and $1,120, respectively)	41,007	53,300
Accrued revenue	12,452	13,617
Propane inventory, at average cost	6,619	7,250
Other inventory, at average cost	3,803	3,699
Regulatory assets	8,268	8,967
Storage gas prepayments	3,410	4,258
Income taxes receivable	24,950	18,806
Deferred income taxes	831	0
Prepaid expenses	7,146	6,652
Mark-to-market energy assets	153	1,055
Other current assets	1,044	195
Total current assets	112,538	122,373
Deferred Charges and Other Assets
Goodwill	14,548	4,952
Other intangible assets, net	2,222	2,404
Investments, at fair value	3,644	3,678
Regulatory assets	77,519	78,136
Receivables and other deferred charges	3,165	3,164
Total deferred charges and other assets	101,098	92,334
Total Assets	1,068,586	904,469
Stockholders’ equity
Common stock, par value $0.4867 per share (authorized 25,000,000)	7,432	7,100
Additional paid-in capital	190,311	156,581
Retained earnings	166,235	142,317
Accumulated other comprehensive loss	(5,840)	(5,676)
Deferred compensation obligation	1,883	1,258
Treasury stock	(1,883)	(1,258)
Total stockholders’ equity	358,138	300,322
Long-term debt, net of current maturities	149,340	158,486
Total capitalization	507,478	458,808
Current Liabilities
Current portion of long-term debt	9,151	9,109
Short-term borrowing	173,397	88,231
Accounts payable	39,300	44,610
Customer deposits and refunds	27,173	25,197
Accrued interest	1,311	1,352
Dividends payable	4,390	3,939
Deferred Tax Liabilities, Net, Current	0	832
Accrued compensation	10,014	10,076
Regulatory liabilities	7,365	3,268
Mark-to-market energy liabilities	433	1,018
Other accrued liabilities	7,059	6,603
Total current liabilities	279,593	194,235
Deferred Credits and Other Liabilities
Deferred income taxes	193,431	160,232
Regulatory liabilities	43,064	43,419
Environmental liabilities	8,942	8,923
Other pension and benefit costs	33,481	35,027
Deferred investment tax credits and other liabilities	2,597	3,825
Total deferred credits and other liabilities	281,515	251,426
Total Capitalization and Liabilities	$ 1,068,586	$ 904,469