Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Tables)

v3.21.2
Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Letters of Credit The letters of credit are categorized below (in thousands):
September 30, December 31,
2021 2020
Bonding program $ 1,000  $ 5,000 
Environmental remediation 3,694  3,694 
Insurance programs 3,890  3,890 
Rail car commitments 455  455 
Total letters of credit $ 9,039  $ 13,039