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Leases (Tables)
 12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Schedule of Lease Cost, Weighted Average Remaining Term and Discount Rate and Supplemental Cash Flow Information Related to Leases
The following table summarizes the amounts recognized in the Company's Consolidated Balance Sheets related to leases:
December 31,
(in thousands)Consolidated Balance Sheet Classification20202019
Assets  
Operating lease assetsRight of use assets, net$56,031 $76,401 
Finance lease assetsProperty, plant and equipment, net25,921 23,723 
Finance lease assetsRail assets leased to others, net15,824 17,465 
Total leased assets 97,776 117,589 
Liabilities  
Current operating leasesAccrued expenses and other current liabilities19,575 25,700 
Non-current operating leasesLong-term lease liabilities37,177 51,091 
Total operating lease liabilities 56,752 76,791 
Current finance leasesCurrent maturities of long-term debt2,914 17,636 
Non-current finance leasesLong-term debt36,394 21,501 
Total finance lease liabilities 39,308 39,137 
Total lease liabilities $96,060 $115,928 

The components of lease cost recognized within the Company's Consolidated Statement of Operations were as follows:
Year ended December 31,
(in thousands)Statement of Operations Classification20202019
Lease cost: 
Operating lease costCost of sales and merchandising revenues$21,127 $26,230 
Operating lease costOperating, administrative and general expenses10,990 13,711 
Finance lease cost
Amortization of right-of-use assetsCost of sales and merchandising revenues1,451 357 
Amortization of right-of-use assetsOperating, administrative and general expenses1,008 1,119 
Interest expense on lease liabilitiesInterest expense1,289 1,023 
Other lease cost (a)
Cost of sales and merchandising revenues663 822 
Other lease cost (a)
Operating, administrative and general expenses260 322 
Total lease cost $36,788 $43,584 
(a) Other lease cost includes short-term lease costs and variable lease costs.

The Company often has the option to renew lease terms for buildings and other assets. The exercise of a lease renewal option is generally at the sole discretion of the Company. In addition, certain lease agreements may be terminated prior to their original expiration date at the discretion of the Company. Each renewal and termination option is evaluated at the lease commencement date to determine if the Company is reasonably certain to exercise the option on the basis of economic factors. The following table summarizes the weighted average remaining lease terms.
As of December 31,
Weighted Average Remaining Lease Term20202019
Operating leases4.6 years4.1 years
Finance leases7.4 years6.5 years

The discount rate implicit within our leases is generally not determinable and therefore the Company determines the discount rate based on its incremental borrowing rate. The incremental borrowing rate for each lease is determined based on its term and the currency in which lease payments are made, adjusted for the impacts of collateral. The following table summarizes the weighted average discount rate used to measure the Company's lease liabilities.
As of December 31,
Weighted Average Discount Rate20202019
Operating leases3.96 %3.88 %
Finance leases3.42 %3.72 %

Supplemental Cash Flow Information Related to Leases
Year ended December 31,
(in thousands)20202019
Cash paid for amounts included in the measurement of lease liabilities: 
Operating cash flows from operating leases$28,444 $25,304 
Operating cash flows from finance leases1,289 1,023 
Financing cash flows from finance leases4,115 1,973 
Right-of-use assets obtained in exchange for lease obligations:
Operating leases15,160 29,427 
Finance leases4,672 16,998 
Schedule of Maturity Analysis of Operating Lease Liabilities
Maturity Analysis of Leases Liabilities
December 31, 2020
(in thousands)Operating LeasesFinance LeasesTotal
2021$21,262 $3,995 $25,257 
202214,698 4,002 18,700 
202310,389 4,003 14,392 
20245,552 3,875 9,427 
20252,233 2,931 5,164 
Thereafter7,067 26,547 33,614 
Total lease payments61,201 45,353 106,554 
Less: interest4,449 6,045 10,494 
Total$56,752 $39,308 $96,060 
December 31, 2019
(in thousands)Operating LeasesFinance LeasesTotal
2020$28,145 $18,185 $46,330 
202119,230 2,334 21,564 
202213,574 2,341 15,915 
20239,887 2,342 12,229 
20245,567 2,176 7,743 
Thereafter6,956 16,154 23,110 
Total lease payments83,359 43,532 126,891 
Less: interest6,568 4,395 10,963 
Total$76,791 $39,137 $115,928 
Schedule of Maturity Analysis of Finance Lease Liabilities
Maturity Analysis of Leases Liabilities
December 31, 2020
(in thousands)Operating LeasesFinance LeasesTotal
2021$21,262 $3,995 $25,257 
202214,698 4,002 18,700 
202310,389 4,003 14,392 
20245,552 3,875 9,427 
20252,233 2,931 5,164 
Thereafter7,067 26,547 33,614 
Total lease payments61,201 45,353 106,554 
Less: interest4,449 6,045 10,494 
Total$56,752 $39,308 $96,060 
December 31, 2019
(in thousands)Operating LeasesFinance LeasesTotal
2020$28,145 $18,185 $46,330 
202119,230 2,334 21,564 
202213,574 2,341 15,915 
20239,887 2,342 12,229 
20245,567 2,176 7,743 
Thereafter6,956 16,154 23,110 
Total lease payments83,359 43,532 126,891 
Less: interest6,568 4,395 10,963 
Total$76,791 $39,137 $115,928 
Schedule of Future Minimum Operating Lease Payments Receivable Future Minimum Lease Payments Receivable (for leases in effect as of December 31, 2020)
(in thousands)Operating LeasesSales-type and Direct Financing Leases
2021$68,261 $1,378 
202244,530 1,378 
202326,536 365 
202417,480 — 
202511,902 — 
Thereafter19,573 — 
Total$188,282 $3,121 
Schedule of Future Minimum Financing Lease Payments Receivable Future Minimum Lease Payments Receivable (for leases in effect as of December 31, 2020)
(in thousands)Operating LeasesSales-type and Direct Financing Leases
2021$68,261 $1,378 
202244,530 1,378 
202326,536 365 
202417,480 — 
202511,902 — 
Thereafter19,573 — 
Total$188,282 $3,121