Fair Value Measurements (Schedule Of Estimates Of Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Assets:
Estimated Fair Value	$ 1,462,795	$ 1,338,137
Marketable equity securities	30,859	30,966
Net loans	4,135,998	4,103,178
Accrued interest receivable	21,785	20,290
Liabilities:
Deposits	5,102,651	4,934,262
Derivative liabilities	70
Carrying Amount
Assets:
Cash and cash equivalents	293,949	156,276
Estimated Fair Value	1,462,795	1,338,137
Marketable equity securities	7,225	7,538
Net loans	4,135,998	4,103,178
Accrued interest receivable	21,785	20,290
Derivative assets	44,826	60,527
Liabilities:
Deposits	5,102,651	4,934,262
Short-term debt	339,153	334,856
Long-Term Debt, Fair Value	150,000	100,000
Accrued interest payable	6,720	4,301
Derivative liabilities	38,452	48,578
Fair Value
Assets:
Cash and cash equivalents	293,949	156,276
Estimated Fair Value	1,462,795	1,338,137
Marketable equity securities	7,225	7,538
Net loans	3,954,014	3,922,638
Accrued interest receivable	21,785	20,290
Derivative assets	44,826	60,527
Liabilities:
Deposits	4,958,096	4,617,487
Short-term debt	339,153	334,856
Long-Term Debt, Fair Value	152,530	99,928
Accrued interest payable	6,720	4,301
Derivative liabilities	38,452	48,578
Level 1
Assets:
Cash and cash equivalents	293,949	156,276
Estimated Fair Value	0	0
Marketable equity securities	2,356	3,093
Net loans	0	0
Accrued interest receivable	0	0
Derivative assets	0	0
Liabilities:
Deposits	3,763,113	3,591,458
Short-term debt	0	0
Long-Term Debt, Fair Value	0	0
Accrued interest payable	0	0
Derivative liabilities	0	0
Level 2
Assets:
Cash and cash equivalents	0	0
Estimated Fair Value	1,461,501	1,336,266
Marketable equity securities	4,869	4,445
Net loans	0	0
Accrued interest receivable	21,785	20,290
Derivative assets	44,826	60,527
Liabilities:
Deposits	1,194,983	1,026,029
Short-term debt	339,153	334,856
Long-Term Debt, Fair Value	152,530	99,928
Accrued interest payable	6,720	4,301
Derivative liabilities	38,452	48,578
Level 3
Assets:
Cash and cash equivalents	0	0
Estimated Fair Value	1,294	1,871
Marketable equity securities	0	0
Net loans	3,954,014	3,922,638
Accrued interest receivable	0	0
Derivative assets	0	0
Liabilities:
Deposits	0	0
Short-term debt	0	0
Long-Term Debt, Fair Value	0	0
Accrued interest payable	0	0
Derivative liabilities	$ 0	$ 0