Borrowings (Summary Of Securities Sold Under Agreements To Repurchase And Other Borrowings) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Securities sold under agreements to repurchase
Assets Sold under Agreements to Repurchase [Line Items]
Total Outstanding	$ 243,580	$ 282,005
Rate	0.11%	0.11%
Federal funds purchased
Assets Sold under Agreements to Repurchase [Line Items]
Total Outstanding	$ 0	$ 869,825
Rate	0.00%	4.44%
Securities sold under agreements to repurchase and other borrowings
Assets Sold under Agreements to Repurchase [Line Items]
Total Outstanding	$ 243,580	$ 1,151,830
Rate	0.11%	3.38%