CONDENSED CONSOLIDATED BALANCE SHEET - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 3,959	$ 7,860
Restricted cash	7,075	7,451
Accounts receivable, net	169,640	162,373
Inventories	47,555	50,815
Regulatory assets	50,131	38,431
Other	9,771	10,755
Total current assets	288,131	277,685
Property, plant, and equipment, net	4,537,909	4,521,318
Goodwill	357,586	357,586
Regulatory assets	457,207	437,581
Other noncurrent assets	59,822	50,206
Total Assets	5,700,655	5,644,376
Current Liabilities:
Finance leases	2,341	2,298
Accounts payable	81,548	87,043
Accrued expenses and other	245,986	216,792
Regulatory liabilities	17,367	40,876
Total current liabilities	347,242	347,009
Long-term finance leases	19,320	19,915
Long-term debt	2,080,462	2,102,345
Deferred income taxes	415,073	394,618
Noncurrent regulatory liabilities	442,923	438,285
Other noncurrent liabilities	405,843	399,822
Total Liabilities	3,710,863	3,701,994
Commitments and Contingencies (Note 9)
Shareholders' Equity:
Common stock, par value $0.01; authorized 200,000,000 shares; issued and outstanding 53,996,070 and 50,439,765 shares, respectively; Preferred stock, par value $0.01; authorized 50,000,000 shares; none issued	540	539
Treasury stock at cost	(96,260)	(95,546)
Paid-in capital	1,502,993	1,499,070
Retained earnings	592,278	548,253
Accumulated other comprehensive loss	(9,759)	(9,934)
Total Shareholders' Equity	1,989,792	1,942,382
Total Liabilities and Shareholders' Equity	$ 5,700,655	$ 5,644,376