Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Allowance for Noncovered Loan and Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for Loan and Lease Losses [Roll Forward]
Provision (recapture) for loan and lease losses	$ (101)	$ 39,367	$ 5,752
Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	52,244	53,041	60,993
Charge-offs	(10,088)	(20,429)	(20,931)
Recoveries	6,964	6,157	5,579
Provision (recapture) for loan and lease losses	3,160	13,475	7,400
Balance at the end of year	52,280	52,244	53,041
Specific Reserve	1,690	1,395	1,484
General Allocation	50,590	50,849	51,557
Consumer Portfolio Segment [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	2,437	2,719	2,120
Charge-offs	(2,242)	(2,534)	(3,918)
Recoveries	552	1,171	351
Provision (recapture) for loan and lease losses	1,800	1,081	4,166
Balance at the end of year	2,547	2,437	2,719
Specific Reserve	4	0	30
General Allocation	2,543	2,437	2,689
Unallocated Financing Receivables [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	1,011	694	3,283
Charge-offs	0	0	0
Recoveries	0	0	0
Provision (recapture) for loan and lease losses	644	317	(2,589)
Balance at the end of year	1,655	1,011	694
Specific Reserve	0	0	0
General Allocation	1,655	1,011	694
Secured Loans [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	27,270	24,745	21,811
Charge-offs	(4,148)	(10,029)	(7,270)
Recoveries	1,512	1,354	1,154
Provision (recapture) for loan and lease losses	6,393	11,200	9,050
Balance at the end of year	31,027	27,270	24,745
Specific Reserve	343	113	954
General Allocation	30,684	27,157	23,791
Unsecured Loans [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	753	689	738
Charge-offs	(794)	(144)	(639)
Recoveries	932	194	1,444
Provision (recapture) for loan and lease losses	(195)	14	(854)
Balance at the end of year	696	753	689
Specific Reserve	35	92	97
General Allocation	661	661	592
One-to-Four Family Residential [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	694	654	1,100
Charge-offs	(228)	(549)	(717)
Recoveries	270	285	80
Provision (recapture) for loan and lease losses	516	304	191
Balance at the end of year	1,252	694	654
Specific Reserve	138	112	96
General Allocation	1,114	582	558
Commercial Land [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	460	488	634
Charge-offs	(20)	(526)	(660)
Recoveries	169	63	12
Provision (recapture) for loan and lease losses	(120)	435	502
Balance at the end of year	489	460	488
Specific Reserve	0	0	0
General Allocation	489	460	488
Income Property Multifamily [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	11,033	9,551	15,210
Charge-offs	(1,405)	(4,030)	(1,407)
Recoveries	489	905	414
Provision (recapture) for loan and lease losses	(883)	4,607	(4,666)
Balance at the end of year	9,234	11,033	9,551
Specific Reserve	26	1,040	63
General Allocation	9,208	9,993	9,488
Owner Occupied [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	6,362	9,606	9,692
Charge-offs	(1,118)	(918)	(1,620)
Recoveries	375	631	33
Provision (recapture) for loan and lease losses	(2,014)	(2,957)	1,501
Balance at the end of year	3,605	6,362	9,606
Specific Reserve	1,073	38	185
General Allocation	2,532	6,324	9,421
Land And Acquisition [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	1,171	2,331	3,769
Charge-offs	(32)	(989)	(1,419)
Recoveries	2,553	1,059	1,978
Provision (recapture) for loan and lease losses	(3,082)	(1,230)	(1,997)
Balance at the end of year	610	1,171	2,331
Specific Reserve	71	0	0
General Allocation	539	1,171	2,331
Residential Construction [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	635	864	2,292
Charge-offs	(101)	(617)	(1,068)
Recoveries	112	429	113
Provision (recapture) for loan and lease losses	176	(41)	(473)
Balance at the end of year	822	635	864
Specific Reserve	0	0	59
General Allocation	822	635	805
Income Property Multifamily Construction [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	316	665	274
Charge-offs	0	(93)	(2,213)
Recoveries	0	66	0
Provision (recapture) for loan and lease losses	(31)	(322)	2,604
Balance at the end of year	285	316	665
Specific Reserve	0	0	0
General Allocation	285	316	665
Owner Occupied Construction [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of year	102	35	70
Charge-offs	0	0	0
Recoveries	0	0	0
Provision (recapture) for loan and lease losses	(44)	67	(35)
Balance at the end of year	58	102	35
Specific Reserve	0	0	0
General Allocation	$ 58	$ 102	$ 35