CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 5,145	$ 7,860
Restricted cash	6,925	7,451
Accounts receivable, net	167,405	162,373
Inventories	53,925	50,815
Regulatory assets	54,432	38,431
Other	13,895	10,755
Total current assets	301,727	277,685
Property, plant, and equipment, net	4,700,924	4,521,318
Goodwill	357,586	357,586
Regulatory assets	484,131	437,581
Other noncurrent assets	66,334	50,206
Total Assets	5,910,702	5,644,376
Current Liabilities:
Current maturities of finance leases	2,476	2,298
Accounts payable	96,690	87,043
Accrued expenses	202,021	216,792
Regulatory liabilities	33,080	40,876
Total current liabilities	334,267	347,009
Long-term finance leases	17,439	19,915
Long-term debt	2,233,281	2,102,345
Deferred income taxes	447,986	394,618
Noncurrent regulatory liabilities	451,483	438,285
Other noncurrent liabilities	387,152	399,822
Total Liabilities	3,871,608	3,701,994
Commitments and Contingencies (Note 18)
Shareholders' Equity:
Common stock, par value $0.01; authorized 200,000,000 shares; issued and outstanding 53,999,189 and 50,452,191, respectively; Preferred stock, par value $0.01; authorized 50,000,000 shares; none issued	541	539
Treasury stock at cost	(96,015)	(95,546)
Paid-in capital	1,508,970	1,499,070
Retained earnings	635,246	548,253
Accumulated other comprehensive loss	(9,648)	(9,934)
Total Shareholders' Equity	2,039,094	1,942,382
Total Liabilities and Shareholders' Equity	$ 5,910,702	$ 5,644,376