Leases (Future Minimum Operating Lease Payments) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases
2021	$ 15,103
2022	13,758
2023	12,127
2024	10,297
Thereafter	10,162
Thereafter	104,348
Total future minimum lease payments	165,795
less: imputed interest	(42,554)
Total operating lease liability	123,241
less: operating lease liability - current	(10,423)
Total operating lease liability - non-current	$ 112,818	$ 111,322
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent