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Changes In Accounting Policies (Narrative) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
ROU asset $ 4,749  
Lease liability $ 5,086  
Accounting Standards Update 2016-02 [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
ROU asset   $ 6,000
Lease liability   $ 6,000