Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Tables)

v3.22.1
Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Letters of Credit The letters of credit are categorized below (in thousands):
March 31, December 31,
2022 2021
Environmental remediation $ 3,694  $ 3,694 
Insurance programs 3,389  3,890 
Rail car commitments 455  455 
Bonding program —  1,000 
Total letters of credit $ 7,538  $ 9,039