Loans and Leases, Net (Loans And Leases Modified As A TDR) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Debt Instrument [Line Items]
Number of Loans and Leases	346	1,013
Pre-Modification Recorded Investment	$ 149,438	$ 363,936
Post-Modification Recorded Investment	149,438	363,936
Post-Modification Coupon Rate	4.80%	4.70%
1-4 Family [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	131	433
Pre-Modification Recorded Investment	29,728	110,205
Post-Modification Recorded Investment	29,728	110,205
Post-Modification Coupon Rate	4.10%	4.60%
Permanent-NCLC [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	6	24
Pre-Modification Recorded Investment	2,211	10,509
Post-Modification Recorded Investment	2,211	10,509
Post-Modification Coupon Rate	4.00%	4.90%
Construction [Member]
Debt Instrument [Line Items]
Number of Loans and Leases		6
Pre-Modification Recorded Investment		1,146
Post-Modification Recorded Investment		1,146
Post-Modification Coupon Rate		6.40%
Home Equity Loans [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	106	337
Pre-Modification Recorded Investment	9,422	26,702
Post-Modification Recorded Investment	9,422	26,702
Post-Modification Coupon Rate	4.30%	4.80%
Liquidating Portfolio-Home Equity Loans [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	26	95
Pre-Modification Recorded Investment	1,428	5,695
Post-Modification Recorded Investment	1,428	5,695
Post-Modification Coupon Rate	5.40%	5.70%
Commercial Non-Mortgage [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	48	67
Pre-Modification Recorded Investment	45,507	47,010
Post-Modification Recorded Investment	45,507	47,010
Post-Modification Coupon Rate	6.40%	5.60%
Asset-Based Loans [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	3	3
Pre-Modification Recorded Investment	2,563	10,462
Post-Modification Recorded Investment	2,563	10,462
Post-Modification Coupon Rate	5.20%	7.10%
Commercial Real Estate [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	21	32
Pre-Modification Recorded Investment	47,544	114,091
Post-Modification Recorded Investment	47,544	114,091
Post-Modification Coupon Rate	4.10%	4.20%
Commercial Construction [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	1	3
Pre-Modification Recorded Investment	10,100	25,127
Post-Modification Recorded Investment	10,100	25,127
Post-Modification Coupon Rate	3.00%	4.20%
Residential Development [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	2	5
Pre-Modification Recorded Investment	719	11,545
Post-Modification Recorded Investment	719	11,545
Post-Modification Coupon Rate	5.30%	3.70%
Equipment Financing [Member]
Debt Instrument [Line Items]
Number of Loans and Leases	2	8
Pre-Modification Recorded Investment	216	1,444
Post-Modification Recorded Investment	$ 216	$ 1,444
Post-Modification Coupon Rate	7.90%	7.20%