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Leases Leases - Cash Flow Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
Leases - Cash Flow Additional Information [Abstract]      
Operating Cash Flow from Operating Leases   $ 1,435 $ 1,580
Finance Lease, Interest Payment on Liability   0  
Finance Lease, Interest Expense $ 0 0 5
Finance Lease, Principal Payments   $ 0 $ 650