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Leases - Net Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Leases [Abstract]        
Operating Lease Expense $ 1,500 $ 1,262 $ 4,429 $ 3,630
Financing Lease Amortization 44 63 179 165
Financing Lease Interest 2 8 12 22
Financing Lease Expense 46 71 191 187
Net Lease Cost $ 1,546 $ 1,333 $ 4,620 $ 3,817