Annual report pursuant to Section 13 and 15(d)

LEASES - Balance Sheet Details (Details)

v3.20.4
LEASES - Balance Sheet Details (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
LEASES    
Operating lease assets $ 17,361 $ 19,171
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating lease assets  
Finance lease assets $ 4,879 5,037
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:PropertyPlantAndEquipmentNet  
Total lease assets $ 22,240 24,208
Current operating lease liability $ 3,283 2,707
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Current operating lease liability  
Current finance lease liability $ 491 448
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Current finance lease liability  
Noncurrent operating lease liability $ 14,914 16,706
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Noncurrent operating lease liability  
Noncurrent finance lease liability $ 3,298 3,829
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Noncurrent finance lease liability  
Total lease liabilities $ 21,986 23,690
Finance lease, right-of-use asset, accumulated depreciation $ 2,800 $ 2,700