Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment
Regulated Energy		$ 1,441,473	$ 1,297,416
Unregulated Energy		265,209	236,440
Other businesses and eliminations		39,850	34,585
Total property, plant and equipment		1,746,532	1,568,441
Less: Accumulated depreciation and amortization		(336,876)	(294,089)
Plus: Construction work in progress		54,141	79,168
Net property, plant and equipment		1,463,797	1,353,520
Current Assets
Cash and cash equivalents		6,985	6,089
Accounts receivable (less allowance for uncollectible accounts of $1,337 and $1,058, respectively)		49,562	53,837
Accrued revenue		20,846	22,640
Propane inventory, at average cost		5,824	9,791
Other inventory, at average cost		6,067	7,127
Regulatory assets		5,144	4,796
Storage gas prepayments		3,541	3,433
Income taxes receivable		20,050	15,300
Prepaid expenses		13,928	10,079
Derivative assets, at fair value		0	82
Other current assets		2,879	5,682
Disposal Group, Including Discontinued Operation, Assets, Current		0	52,681
Total current assets		134,826	191,537
Deferred Charges and Other Assets
Goodwill		32,668	21,568
Other intangible assets, net		8,129	3,850
Investments, at fair value		9,229	6,711
Operating Lease, Right-of-Use Asset		11,563
Regulatory assets		73,407	72,422
Receivables and other deferred charges		49,579	36,401
Disposal Group, Including Discontinued Operation, Assets, Noncurrent		0	7,662
Total deferred charges and other assets		184,575	148,614
Total Assets		1,783,198	1,693,671
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)		7,984	7,971
Additional paid-in capital		259,253	255,651
Retained earnings		300,607	261,530
Accumulated other comprehensive loss		(6,267)	(6,713)
Deferred compensation obligation		4,543	3,854
Treasury stock		(4,543)	(3,854)
Total stockholders’ equity		561,577	518,439
Long-term debt, net of current maturities		440,168	316,020
Total capitalization		1,001,745	834,459
Current Liabilities
Current portion of long-term debt		45,600	11,935
Short-term borrowing		247,371	294,458
Accounts payable		54,068	98,681
Customer deposits and refunds		30,939	32,620
Accrued interest		2,554	2,317
Dividends payable		6,644	6,060
Accrued compensation		16,236	13,923
Regulatory liabilities		5,991	7,883
Derivative liabilities, at fair value		1,844	1,604
Other accrued liabilities		12,077	10,081
Disposal Group, Including Discontinued Operation, Liabilities	[1]		48,672
Total current liabilities		423,324	528,234
Deferred Credits and Other Liabilities
Deferred income taxes		180,656	156,820
Regulatory liabilities		127,744	135,039
Environmental liabilities		6,468	7,638
Other pension and benefit costs		30,569	28,513
Operating Lease, Liability, Noncurrent		9,896
Operating Lease, Liability		11,601
Deferred investment tax credits and other liabilities		2,796	2,968
Total deferred credits and other liabilities		358,129	330,978
Commitments and Contingencies
Total Capitalization and Liabilities		$ 1,783,198	$ 1,693,671

[1] ⁽³⁾ At December 31, 2018, current liabilities were primarily comprised of $31.1 million of accounts payable, $13.3 million of derivative liabilities at fair value and $2.7 million of other accrued liabilities.