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Transactions With Related Parties (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Member Of Board Of Directors Joining 2018 [Member]      
Related Party Transaction [Line Items]      
Revenue from related parties $ 222,000 $ 378,000 $ 341,000