Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023		Dec. 31, 2022
Property, Plant and Equipment
Regulated Energy	$ 1,916,585		$ 1,802,999
Unregulated Energy	404,924		393,215
Other businesses and eliminations	28,802		29,890
Total property, plant and equipment	2,350,311		2,226,104
Less: Accumulated depreciation and amortization	(503,897)		(462,926)
Property, Plant and Equipment, Net	1,908,257		1,810,473
Current Assets
Cash and cash equivalents	1,793		6,204
Trade and other receivables	44,992		62,881
Accounts Receivable, Allowance for Credit Loss, Current	(2,405)		(2,877)
Accounts Receivable, before Allowance for Credit Loss, Current	47,397		65,758
Accrued revenue	15,229		29,206
Propane inventory, at average cost	7,001		9,365
Other inventory, at average cost	17,593		16,896
Regulatory assets	19,111		41,439
Storage gas prepayments	5,063		6,364
Income taxes receivable	5,340		2,541
Prepaid expenses	17,179		15,865
Derivative assets, at fair value	2,328		2,787
Other current assets	1,837		428
Total current assets	137,466		193,976
Deferred Charges and Other Assets
Goodwill	46,213		46,213
Other intangible assets, net	16,518		17,859
Investments, at fair value	11,084		10,576
Operating Lease, Right-of-Use Asset	12,842		14,421
Regulatory assets	91,678		108,214
Receivables and other deferred charges	16,263		12,323
Total deferred charges and other assets	195,023		210,588
Total Assets	2,240,746		2,215,037
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)	8,662		8,635
Additional paid-in capital	382,551		380,036
Retained earnings	476,601		445,509
Accumulated other comprehensive income (loss)	(1,137)		(1,379)
Deferred compensation obligation	8,987		7,060
Treasury stock	(8,987)		(7,060)
Total stockholders’ equity	866,677	[1]	832,801
Total capitalization	1,510,478		1,411,189
Current Liabilities
Less: current maturities	20,000		21,483
Short-term borrowing	118,570		202,157
Accounts payable	53,729		61,496
Customer deposits and refunds	40,228		37,152
Accrued interest	4,985		3,349
Dividends payable	10,500		9,492
Accrued compensation	9,831		14,660
Regulatory liabilities	9,092		5,031
Derivative liabilities, at fair value	828		585
Other accrued liabilities	20,647		13,618
Total current liabilities	288,410		369,023
Deferred Credits and Other Liabilities
Deferred income taxes	264,541		256,167
Regulatory liabilities	145,092		142,989
Environmental liabilities	2,562		3,272
Other pension and benefit costs	17,133		16,965
Operating Lease, Liability, Noncurrent	11,040		12,392
Deferred investment tax credits and other liabilities	1,389		1,410
Total deferred credits and other liabilities	441,858		434,825
Environmental and other commitments and contingencies (Notes 5 and 6)
Total Capitalization and Liabilities	2,240,746		2,215,037
Other businesses and eliminations	28,802		29,890
Property, Plant and Equipment, Gross	2,350,311		2,226,104
Construction Work in Progress	61,843		47,295
Property, Plant and Equipment, Net	1,908,257		1,810,473
Trade and other receivables	44,992		62,881
Income taxes receivable	5,340		2,541
Other current assets	1,837		428
Assets, Current	137,466		193,976
Receivables and other deferred charges	16,263		12,323
Deferred Charges And Other Assets	195,023		210,588
Total identifiable assets	2,240,746		2,215,037
Regulated Energy	1,916,585		1,802,999
Unregulated Energy	404,924		393,215
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	503,897		462,926
Cash and cash equivalents	1,793		6,204
Accounts Receivable, before Allowance for Credit Loss, Current	47,397		65,758
Allowance for uncollectible accounts	2,405		2,877
Accrued revenue	15,229		29,206
Propane inventory, at average cost	7,001		9,365
Other inventory, at average cost	17,593		16,896
Regulatory assets	19,111		41,439
Storage gas prepayments	5,063		6,364
Prepaid expenses	17,179		15,865
Derivative assets, at fair value	2,328		2,787
Goodwill	46,213		46,213
Other intangible assets, net	16,518		17,859
Investments, at fair value	11,084		10,576
Operating Lease, Right-of-Use Asset	12,842		14,421
Regulatory assets	91,678		108,214
Preferred stock, par value $0.01 per share (authorized 2,000,000 shares), no shares issued and outstanding	0		0
Stockholders' Equity Attributable to Parent	866,677	[1]	832,801
Capitalization, Long-term Debt and Equity	1,510,478		1,411,189
Accounts payable	53,729		61,496
Other accrued liabilities	20,647		13,618
Liabilities, Current	288,410		369,023
Regulatory liabilities	145,092		142,989
Operating Lease, Liability, Noncurrent	11,040		12,392
Deferred investment tax credits and other liabilities	1,389		1,410
Deferred Credits and Other Liabilities	441,858		434,825
Environmental and other commitments and contingencies (Notes 5 and 6)
Liabilities and Equity	2,240,746		2,215,037
Common stock, par value $0.4867 per share (authorized 50,000,000 shares)	8,662		8,635
Additional paid-in capital	382,551		380,036
Retained earnings	476,601		445,509
Accumulated other comprehensive income (loss)	(1,137)		(1,379)
Deferred compensation obligation	8,987		7,060
Treasury Stock, Value	8,987		7,060
Long-term Debt and Capital Lease Obligations, Net of Current Maturities	643,801		578,388
Less: current maturities	20,000		21,483
Short-term borrowing	118,570		202,157
Customer deposits and refunds	40,228		37,152
Accrued interest	4,985		3,349
Dividends payable	10,500		9,492
Accrued compensation	9,831		14,660
Regulatory liabilities	9,092		5,031
Energy Marketing Contract Liabilities, Current	828		585
Deferred income taxes	264,541		256,167
Environmental liabilities	2,562		3,272
Other pension and benefit costs	17,133		16,965
Energy Marketing Contracts Assets, Noncurrent	425		982
Energy Marketing Contract Liabilities, Noncurrent	$ 101		$ 1,630

[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.