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Long-Term Contract Work In Process (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term contract work in process	$ 23,900		$ 0
Long Lead Material Contract
Debt Instrument [Line Items]
Long-term contract work in process	25,777
Carbon Free Power Project Award | Long Lead Material Contract
Debt Instrument [Line Items]
Debt instrument, debt default, amount		$ 55,700
Long-term contract work in process	23,900		$ 0
Long-term deferred revenue liability	$ 23,696

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