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Leases Future Minimum Operating Lease Payments (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
Remainder of 2020 $ 815  
2021 1,395  
2022 1,300  
2023 465  
2024 and thereafter 595  
Total minimum lease payments 4,570  
Less amount representing interest (428)  
Present value of net minimum operating lease payments 4,142  
Less current installments of obligation under current-operating lease liabilities 1,339 $ 2,831
Obligations under long-term operating lease liabilities, excluding current installments $ 2,803 $ 3,482
Weighted-average remaining lease term - operating leases 3 years 5 months 15 days  
Weighted-average discount rate - operating leases 5.50%