LEASES - Supplemental balance sheet information (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Assets
Operating lease right-of-use assets	$ 3,298
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets Noncurrent
Liabilities
Operating lease liability, current portion	$ 1,527
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities Current
Operating lease liability, long-term	$ 2,233
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities Noncurrent
Total operating lease liabilities	$ 3,760