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Leases - Other Lease (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Leases [Abstract]    
Operating cash flows used for finance leases $ 22 $ 28
Operating cash flows used for operating leases 7,680 9,158
Financing cash flows used for finance leases 92 85
Right-of-use assets obtained in exchange for new operating lease liabilities $ 4,401 $ 13,936
Weighted average remaining lease term - finance leases 1 year 10 months 24 days 2 years 10 months 24 days
Weighted average discount rate - finance leases 6.60% 6.60%
Weighted average remaining lease term - operating leases 3 years 9 months 18 days 3 years 8 months 12 days
Weighted average discount rate - operating leases 5.81% 5.71%