Leases (Future Minimum Lease Payments) (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Operating Leases
2021	$ 3,367
2022	3,317
2023	3,285
2024	3,200
2025	3,185
Thereafter	4,614
Total minimum lease payments	20,968
Less imputed interest	(3,236)
Total operating lease liability	17,732
As reflected on balance sheet:
Accrued expenses and other current liabilities	$ 2,454
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued Liabilities, Current
Other noncurrent liabilities	$ 15,278
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent
Total operating lease liability	$ 17,732
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesCurrent us-gaap:OtherLiabilitiesNoncurrent
Finance Leases
2021	$ 1,210
2022	1,210
2023	1,210
2024	1,210
2025	2,112
Total minimum lease payments	6,952
Less imputed interest	(1,078)
Total finance lease liability	5,874
As reflected on balance sheet:
Accrued expenses and other current liabilities	860
Other noncurrent liabilities	5,014
Finance Lease, Liability	5,874
Right-of-use operating lease asset	$ 17,100
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent
Right-of-use finance lease asset	$ 5,500
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent