Security Deposits - Schedule of Security Deposits Consisted (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Operating lease security deposits	$ 960	$ 960
Oncor Facility Extension security deposit related to Black Pearl	6,269	6,269
Other deposits	1,009	1,009
Total security deposits	23,855	23,855
Luminant Power Purchase Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collateral amount	12,554	12,554
Luminant Purchase and Sale Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collateral amount	$ 3,063	$ 3,063