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Leases - Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Lease, Cost [Abstract]        
Operating cash flows for operating leases $ 2,994 $ 2,506 $ 5,905 $ 4,857
Finance cash flows for finance leases 146 290 292 580
Operating right-of-use assets obtained in exchange for lease obligations during the current period $ 3,307 $ 4,510 $ 4,093 $ 7,112