Leases Lease Amounts Recognized on Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets, net	$ 102,698	$ 109,795
Current operating lease liabilities	21,407	21,711
Long-term operating lease liabilities	84,891	90,517
Operating Leases [Member]
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets, net	102,698	109,795
Current operating lease liabilities	21,407	21,711
Long-term operating lease liabilities	84,891	90,517
Finance Leases [Member]
Lessee, Lease, Description [Line Items]
Finance Lease, Liability, Current	2,183	2,300
Finance Lease, Liability, Noncurrent	$ 24,153	$ 26,152