Loans Receivable and Allowance For Credit Losses - Impaired Loans by Class (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Contracts		Dec. 31, 2012 Contracts	Dec. 31, 2011 Contracts
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Number of Contracts	35	[1]	60	24
Unpaid principal balance	$ 149,412		$ 235,439
Charge-offs	32,336		50,110
Book balance, without specific reserve	89,715		152,448
Book balance, with specific reserve	27,361		32,881
Specific reserve	6,780		8,463
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	151,203		236,244	470,899
Interest Income Recognized	5,097		7,229	8,659
Financing Receivable, Modifications, Pre-Modification Recorded Investment	11,110	[1]	40,342	47,139
Financing Receivable, Modifications, Post-Modification Recorded Investment	9,398	[1]	37,875	47,448
Residential real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	43,910		49,816
Charge-offs	6,002		6,391
Book balance, without specific reserve	29,984		43,060
Book balance, with specific reserve	7,924		365
Specific reserve	2,968		365
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	40,667		43,164	67,157
Interest Income Recognized	594		819	992
Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	46,116		99,693
Charge-offs	15,514		24,116
Book balance, without specific reserve	25,620		55,834
Book balance, with specific reserve	4,982		19,743
Specific reserve	815		3,182
Investor CRE [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	32,908		59,099
Charge-offs	6,194		8,366
Book balance, without specific reserve	21,732		33,540
Book balance, with specific reserve	4,982		17,193
Specific reserve	815		2,697
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	38,723		51,463	79,139
Interest Income Recognized	774		1,595	2,245
Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	222		9,554
Charge-offs	0		1,405
Book balance, without specific reserve	222		6,873
Book balance, with specific reserve	0		1,276
Specific reserve	0		219
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	4,185		7,007	14,704
Interest Income Recognized	61		441	804
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	12,986		31,040
Charge-offs	9,320		14,345
Book balance, without specific reserve	3,666		15,421
Book balance, with specific reserve	0		1,274
Specific reserve	0		266
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	10,181		55,956	215,436
Interest Income Recognized	2,276		1,708	1,401
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	54,616		78,259
Charge-offs	10,587		19,177
Book balance, without specific reserve	30,158		46,309
Book balance, with specific reserve	13,871		12,773
Specific reserve	2,842		4,916
Owner Occupied CRE [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	43,810		61,300
Charge-offs	3,785		6,452
Book balance, without specific reserve	26,154		42,075
Book balance, with specific reserve	13,871		12,773
Specific reserve	2,842		4,916
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	47,437		64,060	75,553
Interest Income Recognized	1,200		2,553	2,757
Commercial & Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	10,806		16,959
Charge-offs	6,802		12,725
Book balance, without specific reserve	4,004		4,234
Book balance, with specific reserve	0		0
Specific reserve	0		0
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	4,119		8,057	12,009
Interest Income Recognized	187		105	460
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unpaid principal balance	4,770		7,671
Charge-offs	233		426
Book balance, without specific reserve	3,953		7,245
Book balance, with specific reserve	584		0
Specific reserve	155		0
Book Balances and Interest Income Recognized [Abstract]
Average Book Balance	5,891		6,537	6,901
Interest Income Recognized	5		8	0
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Number of Contracts	0		3	0
Book Balances and Interest Income Recognized [Abstract]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	0		468	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	0		472	0
Commercial & Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Number of Contracts	5		9	6
Book Balances and Interest Income Recognized [Abstract]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	452		3,482	4,384
Financing Receivable, Modifications, Post-Modification Recorded Investment	456		2,206	3,944
Owner Occupied CRE [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Number of Contracts	9		11	6
Book Balances and Interest Income Recognized [Abstract]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	5,007		16,186	14,411
Financing Receivable, Modifications, Post-Modification Recorded Investment	3,750		15,921	14,502
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Number of Contracts	0		4	3
Book Balances and Interest Income Recognized [Abstract]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	0		10,062	23,701
Financing Receivable, Modifications, Post-Modification Recorded Investment	0		9,194	24,348
Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Number of Contracts	0		3	0
Book Balances and Interest Income Recognized [Abstract]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	0		2,955	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	0		2,945	0
Investor CRE [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Number of Contracts	4		1	8
Book Balances and Interest Income Recognized [Abstract]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	1,745		1,302	3,271
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,442		$ 1,302	$ 3,282

[1] Amounts exclude specific loan loss reserves.