CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
ASSETS
Construction work in progress	$ 943,177	$ 861,801
Current assets:
Allowance for doubtful accounts	44,228	41,962
Common shareholder’s equity:
Public Utilities, Property, Plant and Equipment, Construction Work in Progress	943,177	861,801
Allowance for doubtful accounts	$ 44,228	$ 41,962
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000	1,000
Common Stock, Shares, Outstanding	200	200
Subsidiaries [Member]
ASSETS
Construction work in progress	$ 943,177	$ 861,801
Current assets:
Allowance for doubtful accounts	44,228	41,962
Common shareholder’s equity:
Public Utilities, Property, Plant and Equipment, Construction Work in Progress	943,177	861,801
Allowance for doubtful accounts	$ 44,228	$ 41,962
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common Stock, Shares, Outstanding	85,903,791	85,903,791