COVERED ASSETS AND FDIC INDEMNIFICATION ASSET (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013
Carrying Amounts And Composition Of Covered Loans
Allowance for loan losses on covered loans	$ (3,910)		$ (7,745)
Total covered loans, net	1,636,399		2,187,898
Covered loans
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	1,789,139	[1]	2,461,560	[2]
Covered discount	(148,830)		(265,917)
Net valuation of loans	1,640,309		2,195,643
Allowance for loan losses on covered loans	(3,910)		(7,745)
Total covered loans, net	1,636,399		2,187,898
Collectively evaluated for impairment	290,446	[1]	320,185	[2]
Acquired with deteriorated credit quality	1,349,863		1,875,458
Covered loans | Residential
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	579,828		693,603
Collectively evaluated for impairment	12,100		12,000
Covered loans | Residential | Residential Single-family
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	248,377		290,095
Covered loans | Residential | Residential Multifamily
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	331,451		403,508
Covered loans | Commercial Real Estate ("CRE")
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	836,789		1,267,363
Collectively evaluated for impairment	59,600		46,700
Covered loans | Commercial Real Estate ("CRE") | Commercial and Industrial Real Estate
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	773,098		1,103,530
Covered loans | Commercial Real Estate ("CRE") | Construction and Land
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	63,691		163,833
Covered loans | Commercial and Industrial ("C&I")
Carrying Amounts And Composition Of Covered Loans
Collectively evaluated for impairment	191,100		230,600
Covered loans | Consumer
Carrying Amounts And Composition Of Covered Loans
Collectively evaluated for impairment	27,600		30,900
Covered loans | Other Loans
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	372,522		500,594
Covered loans | Other Loans | Commercial Business
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	307,147		426,621
Covered loans | Other Loans | Other Consumer
Carrying Amounts And Composition Of Covered Loans
Total covered loans receivable	$ 65,375		$ 73,973

[1] Includes $290.4 million of covered advances comprised of $191.1 million, $59.6 million, $27.6 million and $12.1 million of commercial and industrial, commercial real estate, consumer, and residential loans, respectively.

[2] Includes $320.2 million of covered advances comprised of $230.6 million, $46.7 million, $30.9 million and $12.0 million of commercial and industrial, commercial real estate, consumer and residential loans, respectively.