Leases Operating Lease Liability Maturity Table (Details) $ in Thousands	Dec. 31, 2020 USD ($)	[1]
Leases [Abstract]
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	$ 8,070
Lessee, Operating Lease, Liability, Payments, Due Year Two	7,250
Lessee, Operating Lease, Liability, Payments, Due Year Three	6,340
Lessee, Operating Lease, Liability, Payments, Due Year Four	5,120
Lessee, Operating Lease, Liability, Payments, Due Year Five	4,400
Lessee, Operating Lease, Liability, Payments, Due after Year Five	12,700
Lessee, Operating Lease, Liability, Payments, Due	43,880
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(5,530)
Operating Lease, Liability	$ 38,350

[1] (a)     The maturity table excludes cash flows associated with exited lease facilities. Liabilities for exited lease facilities are included in accrued liabilities and other long-term liabilities in the accompanying consolidated balance sheet.