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LEASES
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
LEASES LEASESWe have commitments as lessees under lease agreements primarily for real estate, equipment and vehicles. Our leases have remaining lease terms ranging from approximately two months to 41 years.
The following table presents lease related costs:
Year Ended December 31,
202120202019
Finance leases
Amortization of right-of-use assets$380 $— $— 
Interest on lease liabilities27 — — 
Finance lease expense407 — — 
Operating lease expense6,564 4,719 5,857 
Short-term lease expense995 778 3,605 
Variable lease expense1,590 1,379 3,263 
Sublease income— — (1,032)
Lease expense from continuing operations9,556 6,876 11,693 
Finance lease expense— — 304 
Operating lease expense— — 3,705 
Lease expense from discontinued operations— — 4,009 
Total lease expense$9,556 $6,876 $15,702 

The following table presents information related to our operating leases as of and for the year ended December 31, 2021:
Right-of-use assets, net$75,344 
Lease liabilities$73,594 
Weighted average remaining lease term33.5 years
Weighted average incremental borrowing rate5.6 %
Cash paid for amounts included in the measurement of operating lease liabilities
Continuing operations$6,114 

The following table presents future minimum lease payments under non-cancellable operating leases as of December 31, 2021:
2022$9,723 
20238,009 
20247,035 
20256,719 
20265,583 
Thereafter142,878 
Total undiscounted lease payments179,947 
Less: Imputed interest106,353 
Total lease liabilities$73,594 

In July 2021, in connection with our acquisition of Transtar, we assumed ROU assets of approximately $12.2 million with a weighted average remaining term of 5.5 years.
Additionally, during the year ended December 31, 2021, we entered into a new lease for real estate, which had a ROU asset value of $2.7 million and a lease term of approximately five years at commencement.