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Business Description and Significant Accounting Policies (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2019
segment
Jan. 01, 2019
USD ($)
Business Acquisition [Line Items]    
Number of operating segments | segment 1  
Ownership percentage in subsidiary 100.00%  
Accounting Standards Update 2016-02    
Business Acquisition [Line Items]    
Right-of-use assets   $ 99
Lease liabilities   $ 111
Estimated incremental borrowing rate   7.75%