Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021		Dec. 31, 2020
Property, Plant and Equipment
Regulated Energy	$ 1,688,938		$ 1,577,576
Unregulated Energy	324,083		300,647
Other businesses and eliminations	35,183		30,769
Total property, plant and equipment	2,048,204		1,908,992
Less: Accumulated depreciation and amortization	(405,263)		(368,743)
Plus: Construction work in progress	56,773		60,929
Net property, plant and equipment	1,699,714		1,601,178
Current Assets
Cash and cash equivalents	5,886		3,499
Trade and other receivables	44,590		56,890
Accounts Receivable, Allowance for Credit Loss, Current	(2,980)		(4,785)
Accounts Receivable, before Allowance for Credit Loss, Current	47,570		61,675
Accrued revenue	11,318		21,527
Propane inventory, at average cost	6,917		5,906
Other inventory, at average cost	6,716		5,539
Regulatory assets	12,021		10,786
Storage gas prepayments	4,663		2,455
Income taxes receivable	12,702		12,885
Prepaid expenses	15,555		13,239
Derivative assets, at fair value	12,185		3,269
Other current assets	440		436
Total current assets	132,993		136,431
Deferred Charges and Other Assets
Goodwill	38,803		38,731
Other intangible assets, net	7,298		8,292
Investments, at fair value	11,490		10,776
Operating Lease, Right-of-Use Asset	9,602		11,194
Regulatory assets	107,872		113,806
Receivables and other deferred charges	14,056		12,079
Total deferred charges and other assets	189,121		194,878
Total Assets	2,021,828		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)	8,560		8,499
Additional paid-in capital	361,066		348,482
Retained earnings	378,897		342,969
Accumulated other comprehensive income (loss)	2,439		(2,865)
Deferred compensation obligation	7,186		5,679
Treasury stock	(7,186)		(5,679)
Total stockholders’ equity	750,962	[1]	697,085
Long-term debt, net of current maturities	505,459		508,499
Total capitalization	1,256,421		1,205,584
Current Liabilities
Less: current maturities	16,206		13,600
Short-term borrowing	192,026		175,644
Accounts payable	53,026		60,253
Customer deposits and refunds	35,782		33,302
Accrued interest	4,783		2,905
Dividends payable	8,442		7,683
Accrued compensation	13,497		13,994
Regulatory liabilities	5,357		6,284
Derivative liabilities, at fair value	1,969		127
Other accrued liabilities	23,454		15,240
Total current liabilities	354,542		329,032
Deferred Credits and Other Liabilities
Deferred income taxes	225,448		205,388
Regulatory liabilities	143,164		142,736
Environmental liabilities	3,709		4,299
Other pension and benefit costs	28,113		30,673
Operating Lease, Liability, Noncurrent	8,380		9,872
Deferred investment tax credits and other liabilities	2,051		4,903
Total deferred credits and other liabilities	410,865		397,871
Environmental and other commitments and contingencies (Notes 5 and 6)
Total Capitalization and Liabilities	$ 2,021,828		$ 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.