ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ACCRUED EXPENSES [Abstract]
Accrued compensation and benefits	$ 11,662	$ 12,476
Accrued real estate taxes	1,732	2,614
Other accrued expenses	2,275	1,602
Accrued expenses	$ 15,669	$ 16,692