Noncovered Loans (Analysis of Nonaccrual Loans) (Details) (USD $) In Thousands	Jun. 30, 2011		Dec. 31, 2010
Recorded Investment Nonaccrual Loans	$ 59,470	[1]	$ 89,301	[1]
Unpaid Principal Balance Nonaccrual Loans	93,303		127,001
Commercial Business [Member] | Secured Debt [Member]
Recorded Investment Nonaccrual Loans	11,506	[1]	32,368	[1]
Unpaid Principal Balance Nonaccrual Loans	17,798		44,316
Commercial Business [Member] | Unsecured Debt [Member]
Recorded Investment Nonaccrual Loans	204	[1]	0	[1]
Unpaid Principal Balance Nonaccrual Loans	814		327
Real Estate 1-4 Family [Member] | Residential RE Perm [Member]
Recorded Investment Nonaccrual Loans	2,748	[1]	2,999	[1]
Unpaid Principal Balance Nonaccrual Loans	3,197		3,353
Real Estate Commercial & Multifamily [Member] | Commercial RE Land [Member]
Recorded Investment Nonaccrual Loans	3,962	[1]	4,093	[1]
Unpaid Principal Balance Nonaccrual Loans	7,382		6,279
Real Estate Commercial & Multifamily [Member] | Income Property Multifamily Perm [Member]
Recorded Investment Nonaccrual Loans	8,611	[1]	11,716	[1]
Unpaid Principal Balance Nonaccrual Loans	10,724		12,737
Real Estate Commercial & Multifamily [Member] | Owner Occupied RE Perm [Member]
Recorded Investment Nonaccrual Loans	10,256	[1]	7,407	[1]
Unpaid Principal Balance Nonaccrual Loans	11,134		8,990
Construction 1-4 Family [Member] | Land & Acquisition [Member]
Recorded Investment Nonaccrual Loans	7,823	[1]	11,608	[1]
Unpaid Principal Balance Nonaccrual Loans	18,168		21,344
Construction 1-4 Family [Member] | Residential Construction [Member]
Recorded Investment Nonaccrual Loans	2,307	[1]	6,503	[1]
Unpaid Principal Balance Nonaccrual Loans	4,593		11,547
Construction Commercial & Multifamily [Member] | Income Property Multifamily Construction [Member]
Recorded Investment Nonaccrual Loans	5,977	[1]	7,585	[1]
Unpaid Principal Balance Nonaccrual Loans	12,873		12,916
Construction Commercial & Multifamily [Member] | Owner Occupied RE Construction [Member]
Recorded Investment Nonaccrual Loans	0	[1]	0	[1]
Unpaid Principal Balance Nonaccrual Loans	0		0
Consumer [Member]
Recorded Investment Nonaccrual Loans	6,076	[1]	5,022	[1]
Unpaid Principal Balance Nonaccrual Loans	$ 6,620		$ 5,192

[1] Recorded investment includes unpaid principal balance, net of charge-offs, unamortized deferred loan fees or costs, unamortized premiums or discounts and accrued interest.