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Leases - Supplemental Balance Sheet Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jan. 01, 2019
Jun. 30, 2020
Leases [Abstract]    
Operating cash flows from operating leases   $ 380
ROU assets obtained in exchange for new operating lease liabilities $ 3,395 $ 0
Weighted-average remaining lease term in years for operating leases   6 years 7 days
Weighted-average discount rate for operating leases   5.15%