Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment
Regulated Energy	$ 2,418,494	$ 1,802,999
Unregulated Energy	410,807	393,215
Other businesses and eliminations	30,310	29,890
Total property, plant and equipment	2,859,611	2,226,104
Accumulated depreciation	516,429	462,926
Construction Work in Progress	113,192	47,295
Net property, plant and equipment	2,456,374	1,810,473
Current Assets
Cash and cash equivalents	4,904	6,204
Accounts Receivable, before Allowance for Credit Loss, Current	74,485	65,758
Allowance for uncollectible accounts	2,699	2,877
Trade receivables, net	71,786	62,881
Accrued Revenue	32,597	29,206
Propane inventory, at average cost	9,313	9,365
Other inventory, at average cost	19,912	16,896
Regulatory assets	19,506	41,439
Storage gas prepayments	4,695	6,364
Income taxes receivable	3,829	2,541
Prepaid expenses	15,407	15,865
Derivative assets, at fair value	1,027	2,787
Other current assets	2,723	428
Total current assets	185,699	193,976
Deferred Charges and Other Assets
Goodwill	508,174	46,213
Other intangible assets, net	16,865	17,859
Investments, Fair Value Disclosure	12,282	10,576
Operating Lease, Right-of-Use Asset	12,426	14,421
Regulatory assets	96,396	108,214
Receivables and other deferred charges	16,448	12,323
Total deferred charges and other assets	662,631	210,588
Total Assets	3,304,704	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)	10,823	8,635
Additional paid-in capital	749,356	380,036
Retained earnings	488,663	445,509
Accumulated other comprehensive loss	(2,738)	(1,379)
Deferred compensation obligation	9,050	7,060
Treasury Stock, Value	(9,050)	(7,060)
Total stockholders’ equity	1,246,104	832,801
Long-term debt, net of current maturities	1,187,075	578,388
Total capitalization	2,433,179	1,411,189
Current Liabilities
Current portion of long-term debt	18,505	21,483
Short-term borrowing	179,853	202,157
Accounts payable	77,481	61,496
Customer deposits and refunds	46,427	37,152
Accrued interest	7,020	3,349
Dividends payable	13,119	9,492
Accrued compensation	16,544	14,660
Regulatory liabilities	13,719	5,031
Derivative liabilities, at fair value	354	585
Other accrued liabilities	13,362	13,618
Total current liabilities	386,384	369,023
Deferred Credits and Other Liabilities
Deferred income taxes	259,082	256,167
Regulatory liabilities	195,279	142,989
Environmental liabilities	2,607	3,272
Other pension and benefit costs	15,330	16,965
Operating Lease, Liability, Noncurrent	10,550	12,392
Deferred investment tax credits and other liabilities	1,366	1,410
Total deferred credits and other liabilities	485,141	434,825
Commitments and Contingencies
Total Capitalization and Liabilities	3,304,704	2,215,037
Regulated Energy	2,418,494	1,802,999
Unregulated Energy	410,807	393,215
Other businesses and eliminations	30,310	29,890
Total property, plant and equipment	2,859,611	2,226,104
Accumulated depreciation	516,429	462,926
Construction Work in Progress	113,192	47,295
Net property, plant and equipment	2,456,374	1,810,473
Cash and cash equivalents	4,904	6,204
Accounts Receivable, before Allowance for Credit Loss, Current	74,485	65,758
Allowance for uncollectible accounts	2,699	2,877
Trade receivables, net	71,786	62,881
Accrued Revenue	32,597	29,206
Propane inventory, at average cost	9,313	9,365
Other inventory, at average cost	19,912	16,896
Regulatory assets	19,506	41,439
Storage gas prepayments	4,695	6,364
Income taxes receivable	3,829	2,541
Prepaid expenses	15,407	15,865
Derivative assets, at fair value	1,027	2,787
Other current assets	2,723	428
Disposal Group, Including Discontinued Operation, Assets, Current	185,699	193,976
Goodwill	508,174	46,213
Other intangible assets, net	16,865	17,859
Investments, Fair Value Disclosure	12,282	10,576
Energy Marketing Contracts Assets, Noncurrent	40	982
Operating Lease, Right-of-Use Asset	12,426	14,421
Regulatory assets	96,396	108,214
Receivables and other deferred charges	16,448	12,323
Deferred Charges And Other Assets	662,631	210,588
Total identifiable assets	3,304,704	2,215,037
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)	10,823	8,635
Additional paid-in capital	749,356	380,036
Retained earnings	488,663	445,509
Accumulated other comprehensive loss	(2,738)	(1,379)
Deferred compensation obligation	9,050	7,060
Treasury Stock, Value	9,050	7,060
Stockholders' Equity Attributable to Parent	1,246,104	832,801
Long-term debt, net of current maturities	1,187,075	578,388
Total capitalization	2,433,179	1,411,189
Current portion of long-term debt	18,505	21,483
Short-term borrowing	179,853	202,157
Accounts payable	77,481	61,496
Customer deposits and refunds	46,427	37,152
Accrued interest	7,020	3,349
Dividends payable	13,119	9,492
Accrued compensation	16,544	14,660
Regulatory liabilities	13,719	5,031
Derivative liabilities, at fair value	354	585
Other accrued liabilities	13,362	13,618
Liabilities, Current	386,384	369,023
Deferred income taxes	259,082	256,167
Regulatory liabilities	195,279	142,989
Environmental liabilities	2,607	3,272
Other pension and benefit costs	15,330	16,965
Energy Marketing Contract Liabilities, Noncurrent	927	1,630
Operating Lease, Liability, Noncurrent	10,550	12,392
Deferred investment tax credits and other liabilities	1,366	1,410
Deferred Credits and Other Liabilities	485,141	434,825
Liabilities and Equity	$ 3,304,704	$ 2,215,037