Borrowed Funds (Summary Of The Maturities Of All Long-Term Borrowings And Subordinated Debentures) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Total	$ 679,000	$ 699,000
Long-term borrowings [Member]
2022	21,000
2023	22,000
2024	23,000
2025	24,000
2026	589,000
Thereafter	0
Total	679,000
Subordinated debentures owed to unconsolidated subsidiary trusts [Member]
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	19,589,000
Total	19,589,000
Subordinated Debt
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	105,000,000
Total	$ 105,000,000

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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