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Leases Supplemental Balance Sheet Lease information (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Leases [Abstract]    
Operating Lease, Right-of-Use Asset $ 34,465 $ 0
Operating Lease, Liability, Current 7,362 $ 0
Operating Lease, Liability, Noncurrent 28,896  
Operating Lease, Liability $ 36,258  
Operating Lease, Weighted Average Remaining Lease Term 6 years  
Operating Lease, Weighted Average Discount Rate, Percent 5.57%