Fair Value Measurements (Schedule Of Estimates Of Fair Value Of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets:
Securities available-for-sale	$ 250,481	$ 352,660
Securities held-to-maturity	93,089	4,117
Other securities	14,234	13,343
Accrued interest receivable	7,751	6,866
Liabilities:
Deposits	1,034,015	1,077,606
Carrying Amount [Member]
Assets:
Cash and cash equivalents	91,492	85,876
Securities available-for-sale	250,481	352,660
Securities held-to-maturity	93,089	4,117
Other securities	14,234	13,343
Net loans	2,610,255	2,585,622
Accrued interest receivable	7,751	6,866
Derivative assets	8,063	3,538
Liabilities:
Deposits	2,793,395	2,785,133
Short-term debt	146,115	137,798
Long-term debt	16,495	16,495
Derivative liabilities	8,063	3,538
Fair Value [Member]
Assets:
Cash and cash equivalents	91,492	85,876
Securities available-for-sale	250,481	352,660
Securities held-to-maturity	95,343	5,335
Other securities	14,234	13,343
Net loans	2,630,012	2,609,524
Accrued interest receivable	7,751	6,866
Derivative assets	8,063	3,538
Liabilities:
Deposits	2,799,502	2,793,620
Short-term debt	146,116	137,801
Long-term debt	16,464	16,495
Derivative liabilities	8,063	3,538
Level 1 [Member]
Assets:
Cash and cash equivalents	91,492	85,876
Securities available-for-sale	5,205	6,158
Securities held-to-maturity	0	0
Other securities	0	0
Net loans	0	0
Accrued interest receivable	7,751	6,866
Derivative assets	0	0
Liabilities:
Deposits	1,759,380	1,707,527
Short-term debt	0	0
Long-term debt	0	0
Derivative liabilities	0	0
Level 2 [Member]
Assets:
Cash and cash equivalents	0	0
Securities available-for-sale	243,550	342,615
Securities held-to-maturity	95,343	5,335
Other securities	14,234	13,343
Net loans	0	0
Accrued interest receivable	0	0
Derivative assets	8,063	3,538
Liabilities:
Deposits	1,040,122	1,086,093
Short-term debt	146,116	137,801
Long-term debt	16,464	16,495
Derivative liabilities	8,063	3,538
Level 3 [Member]
Assets:
Cash and cash equivalents	0	0
Securities available-for-sale	1,726	3,887
Securities held-to-maturity	0	0
Other securities	0	0
Net loans	2,630,012	2,609,524
Accrued interest receivable	0	0
Derivative assets	0	0
Liabilities:
Deposits	0	0
Short-term debt	0	0
Long-term debt	0	0
Derivative liabilities	$ 0	$ 0