Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment
Regulated Energy		$ 1,083,004	$ 1,073,736
Unregulated Energy		213,803	210,682
Other businesses and eliminations		27,892	27,699
Total property, plant and equipment		1,324,699	1,312,117
Less: Accumulated depreciation and amortization		(279,802)	(270,599)
Plus: Construction work in progress		131,640	84,509
Net property, plant and equipment		1,176,537	1,126,027
Current Assets
Cash and cash equivalents		5,996	5,614
Trade and other receivables (less allowance for uncollectible accounts of $901 and $936, respectively)		69,447	77,223
Accrued revenue		18,907	22,279
Propane inventory, at average cost		7,345	8,324
Other inventory, at average cost		4,607	12,022
Regulatory assets		10,833	10,930
Storage gas prepayments		1,197	5,250
Income taxes receivable		4,378	14,778
Prepaid expenses		8,199	13,621
Derivative assets, at fair value		208	1,286
Other current assets		6,717	7,260
Total current assets		137,834	178,587
Deferred Charges and Other Assets
Goodwill		22,104	22,104
Other intangible assets, net		4,482	4,686
Investments, at fair value		6,641	6,756
Regulatory assets		75,536	75,575
Other assets		4,316	3,699
Total deferred charges and other assets		113,079	112,820
Total Assets		1,427,450	1,417,434
Stockholders’ equity
Preferred stock, par value $0.01 per share (authorized 2,000,000 shares), no shares issued and outstanding		0	0
Common stock, par value $0.4867 per share (authorized 50,000,000 shares)		7,964	7,955
Additional paid-in capital		254,126	253,470
Retained earnings		250,024	229,141
Accumulated other comprehensive loss		(6,873)	(4,272)
Deferred compensation obligation		3,573	3,395
Treasury stock		(3,573)	(3,395)
Total stockholders’ equity	[1]	505,241	486,294
Long-term debt, net of current maturities		222,014	197,395
Total capitalization		727,255	683,689
Current Liabilities
Current portion of long-term debt		9,389	9,421
Short-term borrowing		229,108	250,969
Accounts payable		57,457	74,688
Customer deposits and refunds		34,795	34,751
Accrued interest		3,256	1,742
Dividends payable		5,318	5,312
Accrued compensation		5,444	13,112
Regulatory liabilities		18,503	6,485
Derivative liabilities, at fair value		2,359	6,247
Other accrued liabilities		8,694	10,273
Total current liabilities		374,323	413,000
Deferred Credits and Other Liabilities
Deferred income taxes		141,484	135,850
Regulatory liabilities		141,346	140,978
Environmental liabilities		8,215	8,263
Other pension and benefit costs		28,981	29,699
Deferred investment tax credits and other liabilities		5,846	5,955
Total deferred credits and other liabilities		325,872	320,745
Environmental and other commitments and contingencies (Note 5 and 6)
Total Capitalization and Liabilities		$ 1,427,450	$ 1,417,434

[1] Includes 93,422 and 90,961 shares at March 31, 2018 and December 31, 2017, respectively, held in a Rabbi Trust related to our Deferred Compensation Plan.