Property, Plant and Equipment (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
Property, Plant and Equipment [Line Items]    
Depreciation and amortization $ 2,815 $ 2,112
Amortization of right-of-use assets $ 622 68
Finance lease, term of contract 10 years  
Number of options to renew lease agreement | item 2  
Options to renew lease agreement, period of renewal 5 years  
Present value of lease payment that exceeded fair value of underlying asset, percentage 90.00%  
Property, Plant and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Depreciation and amortization $ 2,800 $ 2,100