Covered Assets And Indemnification Asset (Allowance And Recorded Investment By Covered Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Loans acquired with deteriorated credit quality	$ 13,207	[1]	$ 2,345	[1]
Collectively evaluated for impairment	1,113	[2]	376
Total	14,320		2,721
Loans acquired with deteriorated credit quality	608,392	[1]	758,873	[1]
Collectively evaluated for impairment	28,379	[2]	29,746
Total	636,771		788,619
Commercial Real Estate [Member]
Loans acquired with deteriorated credit quality	8,491	[1]	2,345	[1]
Collectively evaluated for impairment	448	[2]	120
Total	8,939		2,465
Loans acquired with deteriorated credit quality	503,575	[1]	614,361	[1]
Collectively evaluated for impairment	3,062	[2]	4,887
Total	506,637		619,248
Commercial [Member]
Loans acquired with deteriorated credit quality	3,366	[1]
Collectively evaluated for impairment	598	[2]	176
Total	3,964		176
Loans acquired with deteriorated credit quality	39,427	[1]	63,252	[1]
Collectively evaluated for impairment	18,149	[2]	14,751
Total	57,576		78,003
Residential [Member]
Loans acquired with deteriorated credit quality	955	[1]
Collectively evaluated for impairment	36	[2]	56
Total	991		56
Loans acquired with deteriorated credit quality	59,980	[1]	72,650	[1]
Collectively evaluated for impairment	4,608	[2]	7,854
Total	64,588		80,504
Consumer & Other [Member]
Loans acquired with deteriorated credit quality	395	[1]
Collectively evaluated for impairment	31	[2]	24
Total	426		24
Loans acquired with deteriorated credit quality	5,410	[1]	8,610	[1]
Collectively evaluated for impairment	2,560	[2]	2,254
Total	$ 7,970		$ 10,864

[1] In accordance with ASC 310-30, the valuation allowance is netted against the carrying value of the covered loan and lease balance.

[2] The allowance on covered loan and lease losses includes an allowance on covered loan advances on acquired loans subsequent to acquisition.