XML 54 R43.htm IDEA: XBRL DOCUMENT v3.21.2
LEASES - Components of Lease Expense and Payments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
LEASES          
Operating lease cost $ 5,921 $ 4,152 $ 14,395 $ 12,228  
Short-term lease cost 661 769 1,798 2,040  
Variable lease cost 633 692 2,713 3,034  
Total operating lease cost 7,215 5,613 18,906 17,302  
Payments for lease liabilities     12,700 9,100  
Lease liabilities arising from ROU     9,400 5,700  
Finance lease cost:          
Amortization of right-of-use asset 618 534 1,807 1,628  
Variable costs 194 198 586 655  
Total finance lease cost 812 $ 732 2,393 $ 2,283  
Finance leases cost included in property, plant and equipment 29,500   29,500   $ 25,400
Accumulated amortization related to finance leases 11,400   11,400   9,500
Principal payments, finance lease liabilities     1,200    
Additional finance lease liabilities recognized     2,300    
Finance lease liability 5,075   5,075   $ 1,129
Finance lease liability, current $ 600   $ 600