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Leases (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
lease
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
lease
Jun. 30, 2019
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Number of leases | lease 3   3  
Operating lease cost $ 251 $ 187 $ 466 $ 368
Operating cash flows from operating leases   $ 394 $ 497  
Minimum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Remaining term of contract     2 years  
Maximum        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Remaining term of contract     4 years