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Note 11. Debt (Tables)
12 Months Ended
Dec. 31, 2022
Debt Instruments [Abstract]  
Schedule of Long-term Debt Instruments
Our long-term debt consisted of the following at December 31, 2022 and 2021 (in thousands):
Balance (USD)
Loan AgreementCurrency20222021
India Credit FacilityUSD$185,000 $— 
Luz del Norte Credit FacilitiesUSD— 183,829 
Kyoto Credit FacilityJPY— 62,908 
Long-term debt principal185,000 246,737 
Less: unamortized discounts and issuance costs(651)(6,836)
Total long-term debt184,349 239,901 
Less: current portion— (3,896)
Noncurrent portion$184,349 $236,005 
Schedule of Borrowing Rate on Debt
As of December 31, 2022, our long-term debt borrowing rates were as follows:
Loan AgreementInterest RateEffective Interest Rate
India Credit FacilityU.S. Treasury Constant Maturity Yield plus 1.75%4.96%
Schedule of Maturities of Long-term Debt
At December 31, 2022, the future principal payments on our long-term debt were due as follows (in thousands):
Total Debt
2023$— 
202413,117 
202533,633 
202633,633 
202733,652 
Thereafter70,965 
Total long-term debt future principal payments$185,000