LEASES - Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets and Liabilities, Lessee [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Operating Lease - ROU	Operating Lease - ROU
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Right of use assets - finance lease	Right of use assets - finance lease
Operating Lease - ROU	$ 6,929	$ 5,838
Finance Leases - ROU	2,359	2,572
Total right-of-use assets	$ 9,288	$ 8,410
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Operating leases liabilities - current	Operating leases liabilities - current
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Finance lease liabilities - current	Finance lease liabilities - current
Operating leases liabilities - current	$ 2,194	$ 2,178
Finance lease liabilities - current	167	159
Total lease liabilities, current	$ 2,361	$ 2,337
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating lease liabilities - non-current	Finance lease liabilities - non-current
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Finance lease liabilities - non-current	Operating lease liabilities - non-current
Operating lease liabilities - non-current	$ 4,811	$ 3,607
Finance lease liabilities - non-current	2,303	2,472
Total lease liabilities, non-current	$ 7,114	$ 6,079