LEASES (Schedule of lease assets and liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020	Sep. 01, 2020
Leases [Abstract]
Right of use asset	$ 12,445	$ 8,400	$ 5,592	$ 6,817
Finance Lease, Right-of-Use Asset	0		7,281
Right-of-use asset	12,445		12,873
Operating Lease, Liability, Current	$ 3,791		$ 4,075	3,974
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of other long-term liabilities (Note 10)		Current portion of other long-term liabilities (Note 10)
Finance Lease, Liability, Current	$ 0		$ 3,216
Operating lease liability	8,677		1,445	$ 2,771
Lease liability	$ 12,468		$ 8,736
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Net property and equipment		Net property and equipment