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		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period			$ 18,275	$ 14,320	$ 14,367	$ 12,977
Charge-offs	(1,095)	(1,048)	(3,116)	(4,915)
Recoveries	550	676	1,503	1,825
Provision	(1,904)	2,927	(4,744)	4,302
Balance, end of period	11,918	15,532	11,918	15,532	14,367	12,977
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period			12,129	8,939	8,871	7,461
Charge-offs	(553)	(480)	(1,321)	(2,570)
Recoveries	182	371	669	1,012
Provision	(1,466)	1,884	(4,443)	1,855
Balance, end of period	7,034	9,236	7,034	9,236	8,871	7,461
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period			4,980	3,964	4,512	4,547
Charge-offs	(406)	(450)	(1,219)	(1,257)
Recoveries	156	215	428	596
Provision	(367)	990	(294)	1,999
Balance, end of period	3,895	5,302	3,895	5,302	4,512	4,547
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period			804	991	808	664
Charge-offs	(48)	(73)	(156)	(510)
Recoveries	59	68	185	147
Provision	(16)	79	(30)	110
Balance, end of period	803	738	803	738	808	664
Consumer & Other [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period			362	426	176	305
Charge-offs	(88)	(45)	(420)	(578)
Recoveries	153	22	221	70
Provision	(55)	(26)	23	338
Balance, end of period	$ 186	$ 256	$ 186	$ 256	$ 176	$ 305