Allowance For Non-Covered Loan Loss And Credit Quality (Summary Of Reserve For Unfunded Commitments Activity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	$ 940	$ 818
Net change to other expense	283	122
Balance, end of period	1,223	940
Unfunded loan commitments	1,431,612	944,581
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	59	33
Net change to other expense	113	26
Balance, end of period	172	59
Unfunded loan commitments	196,292	58,013
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	633	575
Net change to other expense	174	58
Balance, end of period	807	633
Unfunded loan commitments	925,642	605,001
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	185	158
Net change to other expense	(12)	27
Balance, end of period	173	185
Unfunded loan commitments	257,508	233,990
Consumer & Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	63	52
Net change to other expense	8	11
Balance, end of period	71	63
Unfunded loan commitments	$ 52,170	$ 47,577