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Leases (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
lease
Mar. 31, 2019
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Number of leases | lease 2  
Operating lease cost $ 215 $ 187
Operating cash flows from operating leases $ 231 $ 200
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