Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment
Regulated Energy	$ 2,515,712	$ 2,418,494
Unregulated Energy	420,074	410,807
Other businesses and eliminations	32,645	30,310
Total property, plant and equipment	2,968,431	2,859,611
Less: Accumulated depreciation and amortization	(546,598)	(516,429)
Property, Plant and Equipment, Net	2,579,180	2,456,374
Current Assets
Cash and cash equivalents	6,430	4,904
Trade and other receivables	54,167	71,786
Accounts Receivable, Allowance for Credit Loss, Current	(2,195)	(2,699)
Accounts Receivable, before Allowance for Credit Loss, Current	56,362	74,485
Accrued revenue	20,177	32,597
Propane inventory, at average cost	6,511	9,313
Other inventory, at average cost	19,715	19,912
Regulatory assets	19,646	19,506
Storage gas prepayments	2,801	4,695
Income taxes receivable	9,865	3,829
Prepaid expenses	12,549	15,407
Derivative assets, at fair value	1,180	1,027
Other current assets	3,236	2,723
Total current assets	156,277	185,699
Deferred Charges and Other Assets
Goodwill	507,856	508,174
Other intangible assets, net	15,910	16,865
Investments, at fair value	13,620	12,282
Operating Lease, Right-of-Use Asset	11,201	12,426
Regulatory assets	83,594	96,396
Receivables and other deferred charges	12,923	16,448
Total deferred charges and other assets	645,296	662,631
Total Assets	3,380,753	3,304,704
Stockholders’ equity
Preferred stock, par value $0.01 per share (authorized 2,000 shares), no shares issued and outstanding	0	0
Common stock, par value $0.4867 per share (authorized 50,000 shares)	10,854	10,823
Additional paid-in capital	755,751	749,356
Retained earnings	525,525	488,663
Accumulated other comprehensive loss	(1,576)	(2,738)
Deferred compensation obligation	9,703	9,050
Treasury stock	(9,703)	(9,050)
Total stockholders’ equity	1,290,554	1,246,104	[1]
Total capitalization	2,465,316	2,433,179
Current Liabilities
Less: current maturities	18,592	18,505
Short-term borrowing	207,091	179,853
Accounts payable	69,041	77,481
Customer deposits and refunds	44,775	46,427
Accrued interest	3,652	7,020
Dividends payable	14,272	13,119
Accrued compensation	12,519	16,544
Regulatory liabilities	19,677	13,719
Derivative liabilities, at fair value	27	354
Other accrued liabilities	20,547	13,362
Total current liabilities	410,193	386,384
Deferred Credits and Other Liabilities
Deferred income taxes	283,322	259,082
Regulatory liabilities	192,710	195,279
Environmental liabilities	2,402	2,607
Other pension and benefit costs	16,102	15,330
Operating Lease, Liability, Noncurrent	9,341	10,550
Deferred investment tax credits and other liabilities	1,355	1,366
Total deferred credits and other liabilities	505,244	485,141
Environmental and other commitments and contingencies (Notes 5 and 6)
Total Capitalization and Liabilities	3,380,753	3,304,704
Other businesses and eliminations	32,645	30,310
Property, Plant and Equipment, Gross	2,968,431	2,859,611
Construction Work in Progress	157,347	113,192
Property, Plant and Equipment, Net	2,579,180	2,456,374
Trade and other receivables	54,167	71,786
Income taxes receivable	9,865	3,829
Other current assets	3,236	2,723
Assets, Current	156,277	185,699
Receivables and other deferred charges	12,923	16,448
Deferred Charges And Other Assets	645,296	662,631
Total identifiable assets	3,380,753	3,304,704
Regulated Energy	2,515,712	2,418,494
Unregulated Energy	420,074	410,807
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	546,598	516,429
Cash and cash equivalents	6,430	4,904
Accounts Receivable, before Allowance for Credit Loss, Current	56,362	74,485
Allowance for uncollectible accounts	2,195	2,699
Accrued revenue	20,177	32,597
Propane inventory, at average cost	6,511	9,313
Other inventory, at average cost	19,715	19,912
Regulatory assets	19,646	19,506
Storage gas prepayments	2,801	4,695
Prepaid expenses	12,549	15,407
Derivative assets, at fair value	1,180	1,027
Goodwill	507,856	508,174
Other intangible assets, net	15,910	16,865
Investments, at fair value	13,620	12,282
Operating Lease, Right-of-Use Asset	11,201	12,426
Regulatory assets	83,594	96,396
Preferred stock, par value $0.01 per share (authorized 2,000 shares), no shares issued and outstanding	0	0
Stockholders' Equity Attributable to Parent	1,290,554	1,246,104	[1]
Capitalization, Long-term Debt and Equity	2,465,316	2,433,179
Accounts payable	69,041	77,481
Other accrued liabilities	20,547	13,362
Liabilities, Current	410,193	386,384
Regulatory liabilities	192,710	195,279
Operating Lease, Liability, Noncurrent	9,341	10,550
Deferred investment tax credits and other liabilities	1,355	1,366
Deferred Credits and Other Liabilities	505,244	485,141
Environmental and other commitments and contingencies (Notes 5 and 6)
Liabilities and Equity	3,380,753	3,304,704
Common stock, par value $0.4867 per share (authorized 50,000 shares)	10,854	10,823
Additional paid-in capital	755,751	749,356
Retained earnings	525,525	488,663
Accumulated other comprehensive loss	(1,576)	(2,738)
Deferred compensation obligation	9,703	9,050
Treasury Stock, Value	9,703	9,050
Long-term Debt and Capital Lease Obligations, Net of Current Maturities	1,174,762	1,187,075
Less: current maturities	18,592	18,505
Short-term borrowing	207,091	179,853
Customer deposits and refunds	44,775	46,427
Accrued interest	3,652	7,020
Dividends payable	14,272	13,119
Accrued compensation	12,519	16,544
Regulatory liabilities	19,677	13,719
Energy Marketing Contract Liabilities, Current	27	354
Deferred income taxes	283,322	259,082
Environmental liabilities	2,402	2,607
Other pension and benefit costs	16,102	15,330
Energy Marketing Contracts Assets, Noncurrent	192	40
Energy Marketing Contract Liabilities, Noncurrent	12	$ 927
Accrued compensation	$ (4,192)

[1] Includes 4.4 million shares issued during 2023 related to the acquisition of FCG. See Notes 3 and 9 for details associated with the FCG acquisition and related financing.