CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
ASSETS
Construction work in progress	$ 1,276,957	$ 1,156,265
Current assets:
Allowance for doubtful accounts	43,263	38,211
Common shareholder’s equity:
Public Utilities, Property, Plant and Equipment, Construction Work in Progress	1,276,957	1,156,265
Allowance for doubtful accounts	$ 43,263	$ 38,211
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	$ 1,276,957	$ 1,156,265
Current assets:
Allowance for doubtful accounts	43,263	38,211
Common shareholder’s equity:
Public Utilities, Property, Plant and Equipment, Construction Work in Progress	1,276,957	1,156,265
Allowance for doubtful accounts	$ 43,263	$ 38,211
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