Commitment and Contingencies (Tables)

3 Months Ended

Mar. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Schedule of Estimated Commitments

The estimated commitments as of March 31, 2023, and thereafter are shown below (in thousands):

	December 31,												Total
	2023 (remaining)		2024		2025		2026		2027		2028 and thereafter
Fuel Supply Payments	$	2,309	$	2,408	$	1,702	$	1,718	$	1,736	$	28,263	$	38,136
Zero6 Commitment	222		322		6,747		—		—		—		7,291
Praj Commitment	3,600		—		—		—		—		—		3,600
Renewable Energy Credits	114		152		152		152		152		1,877		2,599
Electricity Above Use (Est.)	234		321		332		345		357		5,498		7,087
Total	$	6,479	$	3,203	$	8,933	$	2,215	$	2,245	$	35,638	$	58,713