Fair Value Measurements (Schedule Of Estimates Of Fair Value Of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets:
Investment securities available for sale, at fair value	$ 349,940	$ 352,660
Securities held-to-maturity	14,344	4,117
Liabilities:
Deposits	1,062,763	1,077,606
Long-term debt	16,495	16,495
Carrying Amount [Member]
Assets:
Cash and cash equivalents	155,227	85,876
Investment securities available for sale, at fair value	349,940	352,660
Securities held-to-maturity	14,344	4,117
Other securities	13,343	13,343
Net loans	2,535,991	2,585,622
Accrued interest receivable	7,843	6,866
Derivative assets	5,591	3,538
Liabilities:
Deposits	2,829,517	2,785,133
Short-term debt	121,913	137,798
Long-term debt	16,495	16,495
Derivative liabilities	5,591	3,538
Fair Value [Member]
Assets:
Cash and cash equivalents	155,227	85,876
Investment securities available for sale, at fair value	349,940	352,660
Securities held-to-maturity	15,015	5,335
Other securities	13,343	13,343
Net loans	2,558,456	2,609,524
Accrued interest receivable	7,843	6,866
Derivative assets	5,591	3,538
Liabilities:
Deposits	2,837,371	2,793,620
Short-term debt	121,917	137,801
Long-term debt	16,464	16,495
Derivative liabilities	5,591	3,538
Level 1 [Member]
Assets:
Cash and cash equivalents	155,227	85,876
Investment securities available for sale, at fair value	6,513	6,158
Securities held-to-maturity	0	0
Other securities	0	0
Net loans	0	0
Accrued interest receivable	7,843	6,866
Derivative assets	0	0
Liabilities:
Deposits	1,766,754	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
Investment securities available for sale, at fair value	341,661	342,615
Securities held-to-maturity	15,015	5,335
Other securities	13,343	13,343
Net loans	0	0
Accrued interest receivable	0	0
Derivative assets	5,591	3,538
Liabilities:
Deposits	1,070,617	1,086,093
Short-term debt	121,917	137,801
Long-term debt	16,464	16,495
Derivative liabilities	5,591	3,538
Level 3 [Member]
Assets:
Cash and cash equivalents	0	0
Investment securities available for sale, at fair value	1,766	3,887
Securities held-to-maturity	0	0
Other securities	0	0
Net loans	2,558,456	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