CONDENSED CONSOLIDATED BALANCE SHEET - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 13,645	$ 2,820
Restricted cash	17,253	15,942
Accounts receivable, net	173,735	198,671
Inventories	70,609	80,614
Regulatory assets	100,580	115,541
Prepaid expenses and other	23,027	24,207
Total current assets	398,849	437,795
Property, plant, and equipment, net	5,317,518	5,247,232
Goodwill	357,586	357,586
Regulatory assets	698,438	690,686
Other noncurrent assets	49,644	47,144
Total Assets	6,822,035	6,780,443
Current Liabilities:
Current maturities of finance leases	2,928	2,875
Accounts payable	99,926	115,237
Accrued expenses and other	279,395	233,351
Regulatory liabilities	27,176	28,179
Total current liabilities	409,425	379,642
Long-term finance leases	11,151	11,897
Long-term debt	2,508,867	2,541,478
Deferred income taxes	509,039	499,634
Noncurrent regulatory liabilities	642,840	638,760
Other noncurrent liabilities	373,732	369,319
Total Liabilities	4,455,054	4,440,730
Commitments and Contingencies (Note 10)
Shareholders' Equity:
Common Stock, Value, Issued	577	576
Treasury stock at cost	(98,986)	(98,248)
Paid-in capital	1,719,070	1,716,227
Retained earnings	753,677	728,468
Accumulated other comprehensive loss	(7,357)	(7,310)
Total Shareholders' Equity	2,366,981	2,339,713
Total Liabilities and Shareholders' Equity	$ 6,822,035	$ 6,780,443
Preferred Stock, Shares Issued	0
Common Stock, Par or Stated Value Per Share	$ 0.01
Common Stock, Shares Authorized	200,000,000
Common Stock, Shares, Issued	57,692,048
Common Stock, Shares, Outstanding	54,136,509
Preferred Stock, Par or Stated Value Per Share	$ 0.01
Preferred Stock, Shares Authorized	50,000,000
Preferred Stock, Shares Outstanding	0