Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Tables)

v3.21.1
Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Current Maturities of Contractual Obligation
Aggregate future minimum payments under these obligations in effect at March 31, 2021 are as follows (in thousands):
Year ended December 31: Capital Spend Commitments Minimum Purchase Commitments
Remainder of 2021 $ 429  $ 1,041 
2022 —  210 
2023 —  127 
2024 —  — 
2025 —  — 
Thereafter —  — 
$ 429  $ 1,378 
Schedule of Letters of Credit The letters of credit are categorized below (in thousands):
March 31, December 31,
2021 2020
Bonding program $ 5,000  $ 5,000 
Environmental remediation 3,694  3,694 
Insurance programs 3,890  3,890 
Rail car commitments 455  455 
Total letters of credit $ 13,039  $ 13,039