Loans (Schedule Of Troubled Debt Restructuring By Type Of Concession And Type Of Loans) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Commercial Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	$ 13,387	$ 1,131
Troubled Debt Restructurings, Rate Reduction	1,780	1,780
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	438	1,114
Troubled Debt Restructurings, Total	15,605	4,025
Troubled Debt Restructurings, Allowance	65	59
Commercial Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	40
Troubled Debt Restructurings, Rate Reduction	1,256	2,310
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	2,925
Troubled Debt Restructurings, Total	4,221	2,310
Troubled Debt Restructurings, Allowance	1,048	1,159
Real Estate Construction Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	743	752
Troubled Debt Restructurings, Rate Reduction		17,226
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	5,776	5,776
Troubled Debt Restructurings, Total	6,519	23,754
Troubled Debt Restructurings, Allowance		117
Real Estate Construction Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	7,044	7,044
Troubled Debt Restructurings, Rate Reduction	13,968
Troubled Debt Restructurings, Total	21,012	7,044
Commercial Mortgage Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	42,019	16,586
Troubled Debt Restructurings, Rate Reduction	32,063	70,185
Troubled Debt Restructurings, Rate Reduction and Forgiveness of Principal	2,459	3,459
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	15,050	15,055
Troubled Debt Restructurings, Total	91,591	105,285
Troubled Debt Restructurings, Allowance	1,502	3,363
Commercial Mortgage Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	4,585	14,112
Troubled Debt Restructurings, Interest Deferral	1,239	1,239
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	3,865	1,113
Troubled Debt Restructurings, Total	9,689	16,464
Troubled Debt Restructurings, Allowance	69	75
Residential Mortgage Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	1,037	2,658
Troubled Debt Restructurings, Rate Reduction	595	599
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	980	479
Troubled Debt Restructurings, Total	2,612	3,736
Troubled Debt Restructurings, Allowance	133	49
Residential Mortgage Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	2,655	1,037
Troubled Debt Restructurings, Interest Deferral	329	340
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	324	951
Troubled Debt Restructurings, Total	3,308	2,328
Troubled Debt Restructurings, Allowance	56	69
Accruing Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	57,186	21,127
Troubled Debt Restructurings, Rate Reduction	34,438	89,790
Troubled Debt Restructurings, Rate Reduction and Forgiveness of Principal	2,459	3,459
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	22,244	22,424
Troubled Debt Restructurings, Total	116,327	136,800
Troubled Debt Restructurings, Allowance	1,700	3,588
Non-Accrual Troubled Debt Restructuring [Member]
Troubled Debt Restructurings, Principal Deferral	14,324	22,193
Troubled Debt Restructurings, Interest Deferral	1,568	1,579
Troubled Debt Restructurings, Rate Reduction	15,224	2,310
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	7,114	2,064
Troubled Debt Restructurings, Total	38,230	28,146
Troubled Debt Restructurings, Allowance	$ 1,173	$ 1,303