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Leases
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Leases Leases 
We lease coal rail cars, warehouse and office space, land and certain office, manufacturing and material handling equipment under varying terms and conditions. All leases are classified as operating leases.
The components of lease cost and lease cash flows for the years ended December 31, 2021 and 2020 are as follows:
(in thousands)20212020
Lease Cost
Operating Lease Cost$5,298 $5,837 
Variable Lease Cost1,020 1,166 
Total Lease Cost$6,318 $7,003 
Lease Cash Flows
Operating Cash Flows from Operating Leases$5,642 $5,431 
A summary of operating lease right-of-use lease assets and lease liabilities as of December 31, 2021 and 2020 is as follows: 
(in thousands)20212020
Right of Use Lease Assets1
$19,133 $19,114 
Lease Liabilities
Current2
4,168 4,479 
Long-Term3
15,309 15,314 
Total Lease Liabilities$19,477 $19,793 
1Included in Other Noncurrent Assets in the consolidated balance sheets.
2Included in Other Current Liabilities in the consolidated balance sheets.
3Included in Other Noncurrent Liabilities in the consolidated balance sheets.
Operating lease assets obtained in exchange for new operating liabilities amounted to $2.1 million and $1.4 million for the years ended December 31, 2021 and 2020.
Maturities of lease liabilities as of December 31, 2021 for each of the next five years and in the aggregate thereafter are as follows:
(in thousands)Operating Leases
2022$4,998 
20234,766 
20244,225 
20253,384 
20261,614 
Thereafter2,470 
Total Lease Payments$21,457 
Less: Interest1,980 
Present Value of Lease Liabilities$19,477 
The weighted-average remaining lease term and the weighted-average discount rate as of December 31, 2021 and 2020 are as follows:
20212020
Weighted-Average Remaining Lease Term (in years)4.95.3
Weighted-Average Discount Rate5.09 %5.45 %