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Lease (Supplemental Balance Sheet Information Related to Operating Leases) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2019
LEASE [Abstract]      
Operating lease right-of-use assets $ 5,207 $ 4,998  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent Other Assets, Noncurrent  
Liabilities:      
Current lease liabilities $ 1,999 $ 1,107  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other Liabilities, Current Other Liabilities, Current  
Non-current lease liabilities $ 3,142 $ 3,855  
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Non-current lease liabilities Non-current lease liabilities  
Total operating lease liabilities $ 5,141 $ 4,962  
Operating Lease, Liability, Statement of Financial Position [Extensible List] Liabilities Liabilities Liabilities