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Leases - Summary of Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Lease, Cost [Abstract]        
Operating lease cost $ 736 $ 647 $ 1,378 $ 1,318
Short-term lease cost 7 22 53 45
Variable lease cost 94 432 263 656
Total lease cost 837 1,101 1,694 2,019
Income from subleases (199) (213) (392) (461)
Net lease cost $ 638 $ 888 $ 1,302 $ 1,558