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Leases - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Leases        
Operating cash flows from operating leases $ 1,866 $ 355 $ 4,713 $ 1,987
Operating cash flows from finance leases 9 15 30 47
Investing cash flows from operating lease   1,374 1,452 3,162
Financing cash flows from finance leases $ 112 $ 107 $ 332 $ 311