Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Right-of-use assets	$ 172,180	$ 164,476
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Lease liabilities	$ 208,729	$ 203,643
Weighted-average remaining lease term	7 years 2 months 12 days	6 years 9 months 18 days
Weighted-average discount rate	4.83%	5.94%