Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023		Dec. 31, 2022
Property, Plant and Equipment
Regulated Energy	$ 1,868,763		$ 1,802,999
Unregulated Energy	402,352		393,215
Other businesses and eliminations	29,213		29,890
Total property, plant and equipment	2,300,328		2,226,104
Less: Accumulated depreciation and amortization	(489,724)		(462,926)
Property, Plant and Equipment, Net	1,871,182		1,810,473
Current Assets
Cash and cash equivalents	4,169		6,204
Trade and other receivables	45,399		62,881
Accounts Receivable, Allowance for Credit Loss, Current	(2,692)		(2,877)
Accounts Receivable, before Allowance for Credit Loss, Current	48,091		65,758
Accrued revenue	15,875		29,206
Propane inventory, at average cost	6,492		9,365
Other inventory, at average cost	17,873		16,896
Regulatory assets	26,343		41,439
Storage gas prepayments	3,208		6,364
Income taxes receivable	1,276		2,541
Prepaid expenses	12,496		15,865
Derivative assets, at fair value	1,704		2,787
Other current assets	1,934		428
Total current assets	136,769		193,976
Deferred Charges and Other Assets
Goodwill	46,213		46,213
Other intangible assets, net	16,965		17,859
Investments, at fair value	11,693		10,576
Operating Lease, Right-of-Use Asset	13,432		14,421
Regulatory assets	95,985		108,214
Receivables and other deferred charges	12,111		12,323
Total deferred charges and other assets	196,539		210,588
Total Assets	2,204,490		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	380,830		380,036
Retained earnings	477,795		445,509
Accumulated other comprehensive income (loss)	(3,059)		(1,379)
Deferred compensation obligation	9,001		7,060
Treasury stock	(9,001)		(7,060)
Total stockholders’ equity	864,228	[1]	832,801
Total capitalization	1,509,970		1,411,189
Current Liabilities
Less: current maturities	19,994		21,483
Short-term borrowing	95,807		202,157
Accounts payable	44,173		61,496
Customer deposits and refunds	38,468		37,152
Accrued interest	3,429		3,349
Dividends payable	10,500		9,492
Accrued compensation	9,772		14,660
Regulatory liabilities	12,894		5,031
Derivative liabilities, at fair value	2,178		585
Other accrued liabilities	17,942		13,618
Total current liabilities	255,157		369,023
Deferred Credits and Other Liabilities
Deferred income taxes	261,215		256,167
Regulatory liabilities	144,275		142,989
Environmental liabilities	2,512		3,272
Other pension and benefit costs	17,890		16,965
Operating Lease, Liability, Noncurrent	11,585		12,392
Deferred investment tax credits and other liabilities	1,412		1,410
Total deferred credits and other liabilities	439,363		434,825
Environmental and other commitments and contingencies (Notes 5 and 6)
Total Capitalization and Liabilities	2,204,490		2,215,037
Other businesses and eliminations	29,213		29,890
Property, Plant and Equipment, Gross	2,300,328		2,226,104
Construction Work in Progress	60,578		47,295
Property, Plant and Equipment, Net	1,871,182		1,810,473
Trade and other receivables	45,399		62,881
Income taxes receivable	1,276		2,541
Other current assets	1,934		428
Assets, Current	136,769		193,976
Receivables and other deferred charges	12,111		12,323
Deferred Charges And Other Assets	196,539		210,588
Total identifiable assets	2,204,490		2,215,037
Regulated Energy	1,868,763		1,802,999
Unregulated Energy	402,352		393,215
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	489,724		462,926
Cash and cash equivalents	4,169		6,204
Accounts Receivable, before Allowance for Credit Loss, Current	48,091		65,758
Allowance for uncollectible accounts	2,692		2,877
Accrued revenue	15,875		29,206
Propane inventory, at average cost	6,492		9,365
Other inventory, at average cost	17,873		16,896
Regulatory assets	26,343		41,439
Storage gas prepayments	3,208		6,364
Prepaid expenses	12,496		15,865
Derivative assets, at fair value	1,704		2,787
Goodwill	46,213		46,213
Other intangible assets, net	16,965		17,859
Investments, at fair value	11,693		10,576
Operating Lease, Right-of-Use Asset	13,432		14,421
Regulatory assets	95,985		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	864,228	[1]	832,801
Capitalization, Long-term Debt and Equity	1,509,970		1,411,189
Accounts payable	44,173		61,496
Other accrued liabilities	17,942		13,618
Liabilities, Current	255,157		369,023
Regulatory liabilities	144,275		142,989
Operating Lease, Liability, Noncurrent	11,585		12,392
Deferred investment tax credits and other liabilities	1,412		1,410
Deferred Credits and Other Liabilities	439,363		434,825
Environmental and other commitments and contingencies (Notes 5 and 6)
Liabilities and Equity	2,204,490		2,215,037
Common stock, par value $0.4867 per share (authorized 50,000,000 shares)	8,662		8,635
Additional paid-in capital	380,830		380,036
Retained earnings	477,795		445,509
Accumulated other comprehensive income (loss)	(3,059)		(1,379)
Deferred compensation obligation	9,001		7,060
Treasury Stock, Value	9,001		7,060
Long-term Debt and Capital Lease Obligations, Net of Current Maturities	645,742		578,388
Less: current maturities	19,994		21,483
Short-term borrowing	95,807		202,157
Customer deposits and refunds	38,468		37,152
Accrued interest	3,429		3,349
Dividends payable	10,500		9,492
Accrued compensation	9,772		14,660
Regulatory liabilities	12,894		5,031
Energy Marketing Contract Liabilities, Current	2,178		585
Deferred income taxes	261,215		256,167
Environmental liabilities	2,512		3,272
Other pension and benefit costs	17,890		16,965
Energy Marketing Contracts Assets, Noncurrent	140		982
Energy Marketing Contract Liabilities, Noncurrent	$ 474		$ 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.