Leases (Schedule of Operating lease right-of-use assets and lease obligations) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Leases
Right of use asset	$ 100,124	$ 90,280
Right of use asset included in balance sheet	Other assets	Other assets
Current lease liability	$ 17,822	$ 17,702
Current lease liability included in balance sheet	Accrued expenses	Accrued expenses
Non current lease liability	$ 82,252	$ 72,614
Non current lease liability included in balance sheet	Other liabilities	Other liabilities
Lease liability	$ 100,074	$ 90,316