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Commitments and Contingencies (Tables)
 3 Months Ended
Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Components of Lease Expense
The components of lease expense are as follows (in thousands):
Three Months Ended
March 31,
20242023
Lease expense
Operating lease expense$7,136$6,746
Variable lease expense (benefit) (1)
186(131)
Total lease expense$7,322$6,615
(1)Represents amounts incurred in excess of the minimum payments required for a certain building lease and for the handling and unloading of railcars for a certain land lease, offset by railcar lease abatements provided by the lessor when railcars are out of service during periods of maintenance or upgrade.
Schedule of Supplemental Cash Flow Information Related to Operating Leases
Supplemental cash flow information related to operating leases is as follows (in thousands):
Three Months Ended
March 31,
20242023
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases$6,988 $6,197 
Right-of-use assets obtained in exchange for lease obligations
Operating leases7,163 16,658 
Schedule of Supplemental Balance Sheet Information Related to Operating Leases
Supplemental balance sheet information related to operating leases is as follows:
March 31,
2024		December 31,
2023
Weighted average remaining lease term4.3 years4.5 years
Weighted average discount rate5.25 %5.16 %
Schedule of Aggregate Minimum Lease Payments
Aggregate minimum lease payments under the operating lease agreements for the remainder of 2024 and in future years are as follows (in thousands):
Year Ending December 31,Amount
2024$20,885 
202523,609 
202616,839 
202712,684 
20285,054 
Thereafter8,715 
Total87,786 
Less: Present value discount(9,735)
Lease liabilities$78,051