Loans Receivable And Allowance For Credit Losses Landscape Financing Receivables Past Due (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	$ 34,944	$ 48,300
60 to 89 days past due	8,569	16,622
Greater than 90 days past due	93,936	179,080
Total past due	137,449	244,002
Current	6,115,785	5,274,887
Greater than 90 days and accruing	0	0
% of Total, 30 to 59 days past due	1.00%	1.00%
% of Total, 60 to 89 days past due	0.00%	0.00%
% of Total, 90 days past due	2.00%	3.00%
% of Total, Total Past Due	3.00%	4.00%
% of Total, Current	97.00%	96.00%
Total loans receivable, gross	6,253,234	5,518,889
Total Loans, Percentage	100.00%	100.00%
% of Total, 90 days past due and still accruing	0.00%	0.00%
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	235,439	384,027
Charge-offs	50,110	96,867
Book Balance, Without Specific Reserve	152,448	182,446
Book Balance, With Specific Reserve	32,881	104,714
Specific Reserve	8,463	16,305
Residential Real Estate
Financing Receivable, Recorded Investment, Past Due [Abstract]
Total loans receivable, gross	806,722	688,020
Residential Real Estate | Residential Real Estate
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	5,800	5,718
60 to 89 days past due	1,576	4,585
Greater than 90 days past due	20,507	20,207
Total past due	27,883	30,510
Current	778,839	657,510
Greater than 90 days and accruing	0	0
Total loans receivable, gross	806,722	688,020
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	49,816	52,023
Charge-offs	6,391	9,120
Book Balance, Without Specific Reserve	43,060	38,519
Book Balance, With Specific Reserve	365	4,384
Specific Reserve	365	872
Commercial Real Estate
Financing Receivable, Recorded Investment, Past Due [Abstract]
Total loans receivable, gross	2,874,801	2,451,754
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	99,693	210,290
Charge-offs	24,116	57,012
Book Balance, Without Specific Reserve	55,834	79,280
Book Balance, With Specific Reserve	19,743	73,998
Specific Reserve	3,182	11,170
Commercial Real Estate | Investor CRE
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	10,565	3,354
60 to 89 days past due	1,042	3,954
Greater than 90 days past due	34,196	33,759
Total past due	45,803	41,067
Current	1,174,044	1,234,600
Greater than 90 days and accruing	0	0
Total loans receivable, gross	1,219,847	1,275,667
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	59,099	70,517
Charge-offs	8,366	18,324
Book Balance, Without Specific Reserve	33,540	31,503
Book Balance, With Specific Reserve	17,193	20,690
Specific Reserve	2,697	4,892
Commercial Real Estate | Multifamily
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	707	1,523
60 to 89 days past due	479	193
Greater than 90 days past due	3,436	3,178
Total past due	4,622	4,894
Current	1,575,667	996,585
Greater than 90 days and accruing	0	0
Total loans receivable, gross	1,580,289	1,001,479
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	9,554	6,185
Charge-offs	1,405	318
Book Balance, Without Specific Reserve	6,873	4,496
Book Balance, With Specific Reserve	1,276	1,371
Specific Reserve	219	716
Commercial Real Estate | Construction
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	611	11,830
60 to 89 days past due	0	879
Greater than 90 days past due	8,243	68,024
Total past due	8,854	80,733
Current	65,811	93,875
Greater than 90 days and accruing	0	0
Total loans receivable, gross	74,665	174,608
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	31,040	133,588
Charge-offs	14,345	38,370
Book Balance, Without Specific Reserve	15,421	43,281
Book Balance, With Specific Reserve	1,274	51,937
Specific Reserve	266	5,562
Commercial
Financing Receivable, Recorded Investment, Past Due [Abstract]
Total loans receivable, gross	1,817,090	1,704,154
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	78,259	115,101
Charge-offs	19,177	29,951
Book Balance, Without Specific Reserve	46,309	59,401
Book Balance, With Specific Reserve	12,773	25,749
Specific Reserve	4,916	4,206
Commercial | Owner Occupied CRE
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	10,543	19,967
60 to 89 days past due	3,300	4,233
Greater than 90 days past due	20,883	40,987
Total past due	34,726	65,187
Current	1,241,865	1,207,274
Greater than 90 days and accruing	0	0
Total loans receivable, gross	1,276,591	1,272,461
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	61,300	89,604
Charge-offs	6,452	16,333
Book Balance, Without Specific Reserve	42,075	48,194
Book Balance, With Specific Reserve	12,773	25,077
Specific Reserve	4,916	4,043
Commercial | Commercial & Industrial (C&I)
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	2,690	1,741
60 to 89 days past due	376	520
Greater than 90 days past due	1,954	7,871
Total past due	5,020	10,132
Current	535,479	421,561
Greater than 90 days and accruing	0	0
Total loans receivable, gross	540,499	431,693
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	16,959	25,497
Charge-offs	12,725	13,618
Book Balance, Without Specific Reserve	4,234	11,207
Book Balance, With Specific Reserve	0	672
Specific Reserve	0	163
Consumer
Financing Receivable, Recorded Investment, Past Due [Abstract]
Total loans receivable, gross	754,621	674,961
Consumer | Consumer
Financing Receivable, Recorded Investment, Past Due [Abstract]
30 to 59 days past due	4,028	4,167
60 to 89 days past due	1,796	2,258
Greater than 90 days past due	4,717	5,054
Total past due	10,541	11,479
Current	744,080	663,482
Greater than 90 days and accruing	0	0
Total loans receivable, gross	754,621	674,961
Loan and Lease Receivables, Impaired [Abstract]
Unpaid Principal Balance	7,671	6,613
Charge-offs	426	784
Book Balance, Without Specific Reserve	7,245	5,246
Book Balance, With Specific Reserve	0	583
Specific Reserve	$ 0	$ 57