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Leases (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Lessee, Lease, Description [Line Items]      
Right of use assets-operating leases $ 559 $ 604  
Operating lease, liability 559    
Lease costs 122    
Short-term lease cost $ 74    
Accounting Standards Update 2016-02      
Lessee, Lease, Description [Line Items]      
Right of use assets-operating leases     $ 451
Operating lease, liability     $ 451
Minimum      
Lessee, Lease, Description [Line Items]      
Remaining lease term 1 year    
Maximum      
Lessee, Lease, Description [Line Items]      
Remaining lease term 10 years