Allowance For Non-Covered Loan Loss And Credit Quality (Non-Covered Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Unpaid Principal Balance	$ 203,792	$ 309,872
Recorded Investment	166,279	222,619
Related Allowance	3,784	5,239
Average Recorded Investment	193,907	259,717
Interest Income Recognized	2,955	2,403	2,400
Commercial [Member]
Unpaid Principal Balance	43,163	74,153
Recorded Investment	26,171	35,507
Related Allowance	2,608	2,711
Average Recorded Investment	29,729	49,921
Interest Income Recognized	140	62
Commercial Real Estate [Member]
Unpaid Principal Balance	160,500	235,540
Recorded Investment	139,979	186,933
Related Allowance	1,172	2,520
Average Recorded Investment	163,983	206,025
Interest Income Recognized	2,812	2,335
Residential [Member]
Unpaid Principal Balance	129	179
Recorded Investment	129	179
Related Allowance	4	8
Average Recorded Investment	195	3,771
Interest Income Recognized	3	6
With An Allowance Recorded [Member] | Consumer & Other [Member]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With An Allowance Recorded [Member] | Commercial [Member] | LOC & Other [Member]
Unpaid Principal Balance	3,975	9,878
Recorded Investment	3,975	8,519
Related Allowance	2,000	2,702
Average Recorded Investment	3,642	1,884
Interest Income Recognized		14
With An Allowance Recorded [Member] | Commercial [Member] | Term [Member]
Unpaid Principal Balance	1,851	205
Recorded Investment	1,851	205
Related Allowance	608	9
Average Recorded Investment	627	402
Interest Income Recognized	140	48
With An Allowance Recorded [Member] | Commercial Real Estate [Member] | Residential Development [Member]
Unpaid Principal Balance	26,326	46,059
Recorded Investment	26,326	44,504
Related Allowance	464	906
Average Recorded Investment	32,810	54,607
Interest Income Recognized	1,120	1,474
With An Allowance Recorded [Member] | Commercial Real Estate [Member] | Construction & Development [Member]
Unpaid Principal Balance	3,762
Recorded Investment	12,248
Related Allowance	151
Average Recorded Investment	6,560	1,706
Interest Income Recognized	798	38
With An Allowance Recorded [Member] | Commercial Real Estate [Member] | Term & Multifamily [Member]
Unpaid Principal Balance	22,611	29,926
Recorded Investment	13,105	28,070
Related Allowance	557	1,614
Average Recorded Investment	18,792	28,518
Interest Income Recognized	894	823
With An Allowance Recorded [Member] | Residential [Member] | Mortgage [Member]
Unpaid Principal Balance		179
Recorded Investment		179
Related Allowance		8
Average Recorded Investment	143	3,750
Interest Income Recognized		6
With An Allowance Recorded [Member] | Residential [Member] | Home Equity Loans & Lines [Member]
Unpaid Principal Balance	129
Recorded Investment	129
Related Allowance	4
Average Recorded Investment	52	21
Interest Income Recognized	3
With No Related Allowance Recorded [Member] | Commercial [Member] | LOC & Other [Member]
Unpaid Principal Balance	23,132	56,046
Recorded Investment	9,034	19,814
Average Recorded Investment	16,121	38,215
With No Related Allowance Recorded [Member] | Commercial [Member] | Term [Member]
Unpaid Principal Balance	14,205	8,024
Recorded Investment	11,311	6,969
Average Recorded Investment	9,339	9,420
With No Related Allowance Recorded [Member] | Commercial Real Estate [Member] | Residential Development [Member]
Unpaid Principal Balance	30,575	63,859
Recorded Investment	23,212	39,011
Average Recorded Investment	33,864	37,603
With No Related Allowance Recorded [Member] | Commercial Real Estate [Member] | Construction & Development [Member]
Unpaid Principal Balance	22,553	33,091
Recorded Investment	17,744	25,558
Average Recorded Investment	21,498	27,588
With No Related Allowance Recorded [Member] | Commercial Real Estate [Member] | Term & Multifamily [Member]
Unpaid Principal Balance	54,673	62,605
Recorded Investment	47,344	49,790
Average Recorded Investment	50,459	56,003
With No Related Allowance Recorded [Member] | Residential [Member] | Mortgage [Member]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With No Related Allowance Recorded [Member] | Residential [Member] | Home Equity Loans & Lines [Member]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized
With No Related Allowance Recorded [Member] | Residential [Member] | Consumer & Other [Member]
Unpaid Principal Balance
Recorded Investment
Related Allowance
Average Recorded Investment
Interest Income Recognized