Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021		Dec. 31, 2020
Property, Plant and Equipment
Regulated Energy	$ 1,643,904		$ 1,577,576
Unregulated Energy	309,139		300,647
Other businesses and eliminations	34,767		30,769
Total property, plant and equipment	1,987,810		1,908,992
Less: Accumulated depreciation and amortization	(393,111)		(368,743)
Plus: Construction work in progress	78,187		60,929
Net property, plant and equipment	1,672,886		1,601,178
Current Assets
Cash and cash equivalents	5,011		3,499
Trade and other receivables	41,311		56,890
Accounts Receivable, Allowance for Credit Loss, Current	(3,895)		(4,785)
Accounts Receivable, before Allowance for Credit Loss, Current	45,206		61,675
Accrued revenue	13,370		21,527
Propane inventory, at average cost	6,076		5,906
Other inventory, at average cost	6,524		5,539
Regulatory assets	9,429		10,786
Storage gas prepayments	2,385		2,455
Income taxes receivable	8,371		12,885
Prepaid expenses	9,497		13,239
Derivative assets, at fair value	8,056		3,269
Other current assets	523		436
Total current assets	110,553		136,431
Deferred Charges and Other Assets
Goodwill	38,803		38,731
Other intangible assets, net	7,625		8,292
Investments, at fair value	11,745		10,776
Operating Lease, Right-of-Use Asset	10,020		11,194
Regulatory assets	109,244		113,806
Receivables and other deferred charges	11,464		12,079
Total deferred charges and other assets	188,901		194,878
Total Assets	1,972,340		1,932,487
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)	8,550		8,499
Additional paid-in capital	357,520		348,482
Retained earnings	374,936		342,969
Accumulated other comprehensive income (loss)	558		(2,865)
Deferred compensation obligation	7,203		5,679
Treasury stock	(7,203)		(5,679)
Total stockholders’ equity	741,564	[1]	697,085
Long-term debt, net of current maturities	498,450		508,499
Total capitalization	1,240,014		1,205,584
Current Liabilities
Less: current maturities	13,600		13,600
Short-term borrowing	169,294		175,644
Accounts payable	49,408		60,253
Customer deposits and refunds	33,983		33,302
Accrued interest	2,697		2,905
Dividends payable	8,433		7,683
Accrued compensation	10,767		13,994
Regulatory liabilities	13,911		6,284
Derivative liabilities, at fair value	351		127
Other accrued liabilities	19,812		15,240
Total current liabilities	322,256		329,032
Deferred Credits and Other Liabilities
Deferred income taxes	219,490		205,388
Regulatory liabilities	143,681		142,736
Environmental liabilities	3,904		4,299
Other pension and benefit costs	29,463		30,673
Operating Lease, Liability, Noncurrent	8,719		9,872
Deferred investment tax credits and other liabilities	4,813		4,903
Total deferred credits and other liabilities	410,070		397,871
Environmental and other commitments and contingencies (Notes 5 and 6)
Total Capitalization and Liabilities	$ 1,972,340		$ 1,932,487

[1] 2,000,000 shares of preferred stock at $0.01 par value have been authorized. No shares have been issued or are outstanding; accordingly, no information has been included in the statements of stockholders’ equity.