Investment Securities (Investment Securities Pledged To Secure Borrowings And Public Deposits) (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Investments, Debt and Equity Securities [Abstract]
To state and local government to secure public deposits, amortized cost	$ 337,668
To secure repurchased agreements, amortized cost	675,878
Other securities pledged, amortized cost	243,131
Total pledged securities, amortized cost	1,256,677
To state and local governments to secure public deposits, fair value	311,000
To secure repurchase agreements, fair value	624,604
Other securities pledged, fair value	225,458
Total pledged securities, fair value	$ 1,161,062