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Leases - Supplemental Cash Flow Information Related to Leases (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Leases [Abstract]        
Operating cash flows from operating leases $ 1,792 $ 1,834 $ 5,439 $ 5,397
Leased assets obtained in exchange for new operating lease liabilities $ 0 $ 646 $ 4,050 $ 2,676