Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022		Dec. 31, 2021
Property, Plant and Equipment
Regulated Energy	$ 1,765,915		$ 1,720,287
Unregulated Energy	381,718		357,259
Other businesses and eliminations	30,713		35,418
Total property, plant and equipment	2,178,346		2,112,964
Less: Accumulated depreciation and amortization	(438,573)		(417,479)
Net property, plant and equipment	1,773,800		1,744,878
Current Assets
Cash and cash equivalents	4,186		4,976
Trade and other receivables	40,134		58,482
Accounts Receivable, Allowance for Credit Loss, Current	(2,758)		(3,141)
Accounts Receivable, before Allowance for Credit Loss, Current	42,892		61,623
Accrued revenue	15,999		22,513
Propane inventory, at average cost	9,317		11,644
Other inventory, at average cost	11,449		9,345
Regulatory assets	28,729		19,794
Storage gas prepayments	3,695		3,691
Income taxes receivable	12,353		17,460
Prepaid expenses	11,398		17,121
Derivative assets, at fair value	6,772		7,076
Other current assets	1,014		1,033
Total current assets	145,046		173,135
Deferred Charges and Other Assets
Goodwill	45,158		44,708
Other intangible assets, net	14,088		13,192
Investments, at fair value	10,523		12,095
Operating Lease, Right-of-Use Asset	15,767		10,139
Regulatory assets	99,497		104,173
Receivables and other deferred charges	13,463		12,549
Total deferred charges and other assets	198,496		196,856
Total Assets	2,117,342		2,114,869
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)	8,632		8,593
Additional paid-in capital	376,866		371,162
Retained earnings	428,833		393,072
Accumulated other comprehensive income	1,370		1,303
Deferred compensation obligation	7,018		7,240
Treasury stock	(7,018)		(7,240)
Total stockholders’ equity	815,701	[1]	774,130
Total capitalization	1,401,506		1,324,033
Current Liabilities
Less: current maturities	21,472		17,962
Short-term borrowing	137,024		221,634
Accounts payable	38,110		52,628
Customer deposits and refunds	34,489		36,488
Accrued interest	3,320		2,775
Dividends payable	9,488		8,466
Accrued compensation	9,471		15,505
Regulatory liabilities	6,663		2,312
Derivative liabilities, at fair value	427		743
Other accrued liabilities	26,827		17,920
Total current liabilities	287,291		376,433
Deferred Credits and Other Liabilities
Deferred income taxes	244,978		233,550
Regulatory liabilities	143,188		142,488
Environmental liabilities	3,097		3,538
Other pension and benefit costs	21,458		24,120
Operating Lease, Liability, Noncurrent	13,807		8,571
Deferred investment tax credits and other liabilities	2,017		2,136
Total deferred credits and other liabilities	428,545		414,403
Environmental and other commitments and contingencies (Notes 5 and 6)
Total Capitalization and Liabilities	2,117,342		2,114,869
Other businesses and eliminations	30,713		35,418
Property, Plant and Equipment, Gross	2,178,346		2,112,964
Construction Work in Progress	34,027		49,393
Property, Plant and Equipment, Net	1,773,800		1,744,878
Trade and other receivables	40,134		58,482
Income taxes receivable	12,353		17,460
Other current assets	1,014		1,033
Assets, Current	145,046		173,135
Receivables and other deferred charges	13,463		12,549
Deferred Charges And Other Assets	198,496		196,856
Total identifiable assets	2,117,342		2,114,869
Regulated Energy	1,765,915		1,720,287
Unregulated Energy	381,718		357,259
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	438,573		417,479
Cash and cash equivalents	4,186		4,976
Accounts Receivable, before Allowance for Credit Loss, Current	42,892		61,623
Allowance for uncollectible accounts	2,758		3,141
Accrued revenue	15,999		22,513
Propane inventory, at average cost	9,317		11,644
Other inventory, at average cost	11,449		9,345
Regulatory assets	28,729		19,794
Storage gas prepayments	3,695		3,691
Prepaid expenses	11,398		17,121
Derivative assets, at fair value	6,772		7,076
Goodwill	45,158		44,708
Other intangible assets, net	14,088		13,192
Investments, at fair value	10,523		12,095
Operating Lease, Right-of-Use Asset	15,767		10,139
Regulatory assets	99,497		104,173
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	815,701	[1]	774,130
Capitalization, Long-term Debt and Equity	1,401,506		1,324,033
Accounts payable	38,110		52,628
Other accrued liabilities	26,827		17,920
Liabilities, Current	287,291		376,433
Regulatory liabilities	143,188		142,488
Operating Lease, Liability, Noncurrent	13,807		8,571
Deferred investment tax credits and other liabilities	2,017		2,136
Deferred Credits and Other Liabilities	428,545		414,403
Environmental and other commitments and contingencies (Notes 5 and 6)
Liabilities and Equity	2,117,342		2,114,869
Common stock, par value $0.4867 per share (authorized 50,000,000 shares)	8,632		8,593
Additional paid-in capital	376,866		371,162
Retained earnings	428,833		393,072
Accumulated other comprehensive income	1,370		1,303
Deferred compensation obligation	7,018		7,240
Treasury Stock, Value	7,018		7,240
Long-term Debt and Capital Lease Obligations, Net of Current Maturities	585,805		549,903
Less: current maturities	21,472		17,962
Short-term borrowing	137,024		221,634
Customer deposits and refunds	34,489		36,488
Accrued interest	3,320		2,775
Dividends payable	9,488		8,466
Accrued compensation	9,471		15,505
Regulatory liabilities	6,663		2,312
Energy Marketing Contract Liabilities, Current	427		743
Deferred income taxes	244,978		233,550
Environmental liabilities	3,097		3,538
Other pension and benefit costs	$ 21,458		$ 24,120

[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.