Leases (Supplemental Balance Sheet Information Related To Leases) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	OTHER ASSETS	OTHER ASSETS
Right-of-use assets	$ 47,728	$ 50,825
Liabilities
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Current lease liabilities	$ 5,996	$ 6,709
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Long-term lease liabilities	$ 46,929	$ 49,176
Total lease liabilities	$ 52,925	$ 55,885
Weighted-average remaining lease term	10 years 8 months 12 days	11 years
Weighted-average discount rate	12.02%	11.77%