Loans (Financing Receivables, Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011
Financing Receivable, Modifications [Line Items]
Number	154	499
Pre-Modification Outstanding Recorded Investment	$ 30,489	$ 122,382
Post-Modification Outstanding Recorded Investment	30,559	125,341
General C&I [Member]
Financing Receivable, Modifications [Line Items]
Number	4	14
Pre-Modification Outstanding Recorded Investment	1,563	13,374
Post-Modification Outstanding Recorded Investment	1,549	13,356
Commercial, Financial, And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number	4	14
Pre-Modification Outstanding Recorded Investment	1,563	13,374
Post-Modification Outstanding Recorded Investment	1,549	13,356
Income CRE [Member]
Financing Receivable, Modifications [Line Items]
Number	2	9
Pre-Modification Outstanding Recorded Investment	3,759	10,290
Post-Modification Outstanding Recorded Investment	3,748	10,210
Residential CRE [Member]
Financing Receivable, Modifications [Line Items]
Number	2	5
Pre-Modification Outstanding Recorded Investment	732	2,435
Post-Modification Outstanding Recorded Investment	739	2,510
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number	4	14
Pre-Modification Outstanding Recorded Investment	4,491	12,725
Post-Modification Outstanding Recorded Investment	4,487	12,720
HELOC [Member]
Financing Receivable, Modifications [Line Items]
Number	59	168
Pre-Modification Outstanding Recorded Investment	9,072	20,918
Post-Modification Outstanding Recorded Investment	9,030	20,817
R/E Installment Loans [Member]
Financing Receivable, Modifications [Line Items]
Number	63	146
Pre-Modification Outstanding Recorded Investment	15,258	20,650
Post-Modification Outstanding Recorded Investment	15,391	20,856
Consumer Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number	122	314
Pre-Modification Outstanding Recorded Investment	24,330	41,568
Post-Modification Outstanding Recorded Investment	24,421	41,673
Permanent Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number		85
Pre-Modification Outstanding Recorded Investment		54,403
Post-Modification Outstanding Recorded Investment		57,291
Credit Card [Member]
Financing Receivable, Modifications [Line Items]
Number	24	72
Pre-Modification Outstanding Recorded Investment	105	312
Post-Modification Outstanding Recorded Investment	102	301
Credit Card And Other [Member]
Financing Receivable, Modifications [Line Items]
Number	24	72
Pre-Modification Outstanding Recorded Investment	105	312
Post-Modification Outstanding Recorded Investment	$ 102	$ 301