Loans (Schedule Of Troubled Debt Restructuring By Type Of Concession And Type Of Loans) (Details) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Commercial Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	$ 13,056,000	$ 1,131,000
Troubled Debt Restructurings, Rate Reduction	1,774,000	1,780,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	436,000	1,114,000
Troubled Debt Restructurings, Total	15,266,000	4,025,000
Troubled Debt Restructurings, Allowance	7,000	59,000
Commercial Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	629,000
Troubled Debt Restructurings, Rate Reduction	1,959,000	2,310,000
Troubled Debt Restructurings, Rate Reduction and Forgiveness of Principal	1,536,000
Troubled Debt Restructurings, Total	4,124,000	2,310,000
Troubled Debt Restructurings, Allowance	1,088,000	1,159,000
Real Estate Construction Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	16,820,000	752,000
Troubled Debt Restructurings, Rate Reduction	9,725,000	17,226,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	5,776,000	5,776,000
Troubled Debt Restructurings, Total	32,321,000	23,754,000
Troubled Debt Restructurings, Allowance		117,000
Real Estate Construction Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	14,426,000	7,044,000
Troubled Debt Restructurings, Rate Reduction	13,664,000
Troubled Debt Restructurings, Total	28,090,000	7,044,000
Commercial Mortgage Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	4,292,000	16,586,000
Troubled Debt Restructurings, Rate Reduction	37,997,000	70,185,000
Troubled Debt Restructurings, Rate Reduction and Forgiveness of Principal	2,050,000	3,459,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	31,111,000	15,055,000
Troubled Debt Restructurings, Total	75,450,000	105,285,000
Troubled Debt Restructurings, Allowance	1,976,000	3,363,000
Commercial Mortgage Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	5,781,000	14,112,000
Troubled Debt Restructurings, Interest Deferral	2,690,000	1,239,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral		1,113,000
Troubled Debt Restructurings, Total	8,471,000	16,464,000
Troubled Debt Restructurings, Allowance	1,000	75,000
Residential Mortgage Loans [Member] | Accruing Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	1,661,000	2,658,000
Troubled Debt Restructurings, Rate Reduction	593,000	599,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	979,000	479,000
Troubled Debt Restructurings, Total	3,233,000	3,736,000
Troubled Debt Restructurings, Allowance	145,000	49,000
Residential Mortgage Loans [Member] | Non-Accrual Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	2,300,000	1,037,000
Troubled Debt Restructurings, Interest Deferral	321,000	340,000
Troubled Debt Restructurings, Rate Reduction	452,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	317,000	951,000
Troubled Debt Restructurings, Total	3,390,000	2,328,000
Troubled Debt Restructurings, Allowance	97,000	69,000
Accruing Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	35,829,000	21,127,000
Troubled Debt Restructurings, Rate Reduction	50,089,000	89,790,000
Troubled Debt Restructurings, Rate Reduction and Forgiveness of Principal	2,050,000	3,459,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	38,302,000	22,424,000
Troubled Debt Restructurings, Total	126,270,000	136,800,000
Troubled Debt Restructurings, Allowance	2,128,000	3,588,000
Non-Accrual Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Principal Deferral	23,136,000	22,193,000
Troubled Debt Restructurings, Interest Deferral	3,011,000	1,579,000
Troubled Debt Restructurings, Rate Reduction	16,075,000	2,310,000
Troubled Debt Restructurings, Rate Reduction and Forgiveness of Principal	1,536,000
Troubled Debt Restructurings, Rate Reduction and Payment Deferral	317,000	2,064,000
Troubled Debt Restructurings, Total	44,075,000	28,146,000
Troubled Debt Restructurings, Allowance	$ 1,186,000	$ 1,303,000