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Operating Leases Lease Expense Detail (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Rate
Schedule of Operating Lease Payments Due [Abstract]  
Operating Lease, Payments $ 6,188
Variable Lease, Payment 1,629
Short-term Lease Payments 1,725
Operating Lease, Expense $ 9,542
Operating Lease, Weighted Average Remaining Lease Term 4 years
Operating Lease, Weighted Average Discount Rate, Percent | Rate 5.00%