LEASES - Supplemental balance sheet information (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
LEASES
Right-of-use assets	$ 55,808	$ 58,845
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Current lease liabilities	$ 11,331	$ 11,088
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities, Current	Accrued Liabilities, Current
Noncurrent lease liabilities	$ 45,380	$ 48,459
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total operating lease liabilities	$ 56,711	$ 59,547
Finance Lease:
Right-of-use assets	$ 5,190	$ 11,147
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Current lease liabilities	$ 2,676	$ 6,449
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities, Current	Accrued Liabilities, Current
Noncurrent lease liabilities	$ 43	$ 19
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total finance lease liabilities	$ 2,719	$ 6,468