Covered Assets and Indemnification Asset (Activity Related To Allowance For Covered Loan And Lease Losses By Covered Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	$ 18,275	$ 14,320
Charge-offs	(817)	(2,220)
Recoveries	531	566
Provision	232	(31)
Balance, end of period	18,221	12,635
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	12,129	8,939
Charge-offs	(261)	(931)
Recoveries	295	337
Provision	211	(47)
Balance, end of period	12,374	8,298
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	4,980	3,964
Charge-offs	(328)	(508)
Recoveries	164	169
Provision	51	(350)
Balance, end of period	4,867	3,275
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	804	991
Charge-offs	(50)	(303)
Recoveries	37	32
Provision	(106)	20
Balance, end of period	685	740
Consumer & Other [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	362	426
Charge-offs	(178)	(478)
Recoveries	35	28
Provision	76	346
Balance, end of period	$ 295	$ 322