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, 2012	Mar. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	$ 14,320	$ 2,721
Charge-offs	(2,220)	(2,087)
Recoveries	566	341
Provision	(31)	7,268
Balance, end of period	12,635	8,243
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	8,939	2,465
Charge-offs	(931)	(1,327)
Recoveries	337	283
Provision	(47)	3,647
Balance, end of period	8,298	5,068
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	3,964	176
Charge-offs	(508)	(98)
Recoveries	169	38
Provision	(350)	1,684
Balance, end of period	3,275	1,800
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	991	56
Charge-offs	(303)	(649)
Recoveries	32	20
Provision	20	1,535
Balance, end of period	740	962
Consumer & Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	426	24
Charge-offs	(478)	(13)
Recoveries	28
Provision	346	402
Balance, end of period	$ 322	$ 413