Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019		Dec. 31, 2018
Property, Plant and Equipment
Regulated Energy	$ 1,346,221		$ 1,297,416
Unregulated Energy	241,126		237,682
Other businesses and eliminations	30,282		34,585
Total property, plant and equipment	1,617,629		1,569,683
Less: Accumulated depreciation and amortization	(312,949)		(294,295)
Plus: Construction work in progress	90,453		108,584
Net property, plant and equipment	1,395,133		1,383,972
Current Assets
Cash and cash equivalents	7,975		6,089
Trade and other receivables (less allowance for uncollectible accounts of $1,054 and $1,108, respectively)	74,098		85,404
Accrued revenue	20,747		27,499
Propane inventory, at average cost	6,865		9,791
Other inventory, at average cost	8,122		7,127
Regulatory assets	7,913		4,796
Storage gas prepayments	1,327		6,603
Income taxes receivable	9,059		15,300
Prepaid expenses	7,192		10,079
Derivative assets, at fair value	9,221		13,165
Other current assets	1,121		5,684
Total current assets	153,640		191,537
Deferred Charges and Other Assets
Goodwill	25,785		25,837
Other intangible assets, net	5,909		6,207
Investments, at fair value	7,509		6,711
Operating Lease, Right-of-Use Asset	12,523
Regulatory assets	77,101		72,422
Other assets	5,197		6,985
Total deferred charges and other assets	134,024		118,162
Total Assets	1,682,797		1,693,671
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)	7,980		7,971
Additional paid-in capital	255,307		255,651
Retained earnings	284,111		261,530
Accumulated other comprehensive loss	(3,739)		(6,713)
Deferred compensation obligation	4,376		3,854
Treasury stock	(4,376)		(3,854)
Total stockholders’ equity	543,659	[1]	518,439	[2]
Long-term debt, net of current maturities	285,998		316,020
Total capitalization	829,657		834,459
Current Liabilities
Less: current maturities	71,509		11,935
Short-term borrowing	276,393		294,458
Accounts payable	75,277		129,804
Customer deposits and refunds	29,710		34,155
Accrued interest	4,505		2,317
Dividends payable	6,067		6,060
Accrued compensation	8,506		13,923
Regulatory liabilities	15,085		7,883
Derivative liabilities, at fair value	6,798		14,871
Other accrued liabilities	14,719		12,828
Total current liabilities	508,569		528,234
Deferred Credits and Other Liabilities
Deferred income taxes	160,912		156,820
Regulatory liabilities	132,686		135,039
Environmental liabilities	7,370		7,638
Other pension and benefit costs	29,822		28,513
Operating Lease, Liability, Noncurrent	10,873
Deferred investment tax credits and other liabilities	2,908		2,968
Total deferred credits and other liabilities	344,571		330,978
Environmental and other commitments and contingencies (Notes 5 and 6)
Total Capitalization and Liabilities	$ 1,682,797		$ 1,693,671

[1] Includes 101,997 shares at March 31, 2019, 97,053 shares at December 31, 2018, 93,422 shares at March 31, 2018 and 90,961 shares at December 31, 2017, respectively, held in a Rabbi Trust related to our Non-Qualified Deferred Compensation Plan.

[2] 2,000,000 shares of preferred stock at $0.01 par value have been authorized. None has been issued or is outstanding; accordingly, no information has been included in the statements of stockholders’ equity.