NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Impaired Non-covered Loans) (Details) (USD $) In Thousands	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2011	Sep. 30, 2011		Dec. 31, 2010
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	$ 288,043	$ 288,043		$ 317,828	[1]
Recorded investment	207,962	207,962		281,006	[1]
Related allowance	8,437	8,437		10,024	[1]
Average recorded investment	147,782	239,699		317,160	[1]
Interest income recognized (cash basis)	756	2,267	[2]	7,204	[1],[2]
Residential [Member] | Single-family [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	11,678	11,678		19,769	[1]
Recorded investment	11,350	11,350		18,876	[1]
Related allowance	487	487		219	[1]
Average recorded investment	5,874	11,666		21,212	[1]
Interest income recognized (cash basis)	20	61	[2]	209	[1],[2]
Residential [Member] | Single-family [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	10,064	10,064		18,521	[1]
Residential [Member] | Multifamily [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	35,400	35,400		34,708	[1]
Recorded investment	33,376	33,376		32,643	[1]
Related allowance	997	997		90	[1]
Average recorded investment	19,236	35,074		39,350	[1]
Interest income recognized (cash basis)	94	283	[2]	540	[1],[2]
Residential [Member] | Multifamily [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	28,767	28,767		32,012	[1]
Residential [Member] | Multifamily [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	4,609	4,609		631	[1]
Commercial Real Estate [Member] | Single-family [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	1,286	1,286		355	[1]
Commercial Real Estate [Member] | Income Producing [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	89,316	89,316		95,899	[1]
Recorded investment	64,524	64,524		88,699	[1]
Related allowance	2,563	2,563		1,557	[1]
Average recorded investment	46,175	66,745		100,004	[1]
Interest income recognized (cash basis)	259	776	[2]	2,174	[1],[2]
Commercial Real Estate [Member] | Income Producing [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	54,555	54,555		82,345	[1]
Commercial Real Estate [Member] | Income Producing [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	9,969	9,969		6,354	[1]
Commercial Real Estate [Member] | Construction [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	64,526	64,526		88,586	[1]
Recorded investment	35,660	35,660		84,225	[1]
Related allowance	595	595		1,366	[1]
Average recorded investment	38,219	51,520		95,324	[1]
Interest income recognized (cash basis)	183	550	[2]	1,728	[1],[2]
Commercial Real Estate [Member] | Construction [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	35,065	35,065		81,789	[1]
Commercial Real Estate [Member] | Construction [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	595	595		2,436	[1]
Commercial Real Estate [Member] | Land CRE [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	44,832	44,832		39,937	[1]
Recorded investment	34,615	34,615		29,002	[1]
Related allowance	1,648	1,648		4,324	[1]
Average recorded investment	15,560	39,393		32,820	[1]
Interest income recognized (cash basis)	92	276	[2]	1,326	[1],[2]
Commercial Real Estate [Member] | Land CRE [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	30,816	30,816		22,082	[1]
Commercial Real Estate [Member] | Land CRE [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	3,799	3,799		6,920	[1]
Commercial and Industrial [Member] | Commercial Business [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	34,074	34,074		37,668	[1]
Recorded investment	21,164	21,164		26,941	[1]
Related allowance	2,147	2,147		2,468	[1]
Average recorded investment	19,350	27,730		27,378	[1]
Interest income recognized (cash basis)	104	311	[2]	1,199	[1],[2]
Commercial and Industrial [Member] | Commercial Business [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	17,802	17,802		23,044	[1]
Commercial and Industrial [Member] | Commercial Business [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	3,362	3,362		3,897	[1]
Commercial and Industrial [Member] | Trade Finance [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	4,489	4,489		0	[1]
Recorded investment	4,421	4,421		0	[1]
Related allowance	0	0		0	[1]
Average recorded investment	339	4,472		0	[1]
Interest income recognized (cash basis)	1	2	[2]	0	[1],[2]
Commercial and Industrial [Member] | Trade Finance [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	4,421	4,421		0	[1]
Commercial and Industrial [Member] | Trade Finance [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0		0	[1]
Consumer [Member] | Student Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	0	0		0	[1]
Recorded investment	0	0		0	[1]
Related allowance	0	0		0	[1]
Average recorded investment	0	0		0	[1]
Interest income recognized (cash basis)	0	0	[2]	0	[1],[2]
Consumer [Member] | Student Loans [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0		0	[1]
Consumer [Member] | Student Loans [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0		0	[1]
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	3,728	3,728		1,261	[1]
Recorded investment	2,852	2,852		620	[1]
Related allowance	0	0		0	[1]
Average recorded investment	3,029	3,099		1,072	[1]
Interest income recognized (cash basis)	3	8	[2]	28	[1],[2]
Consumer [Member] | Other Consumer [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	2,852	2,852		620	[1]
Consumer [Member] | Other Consumer [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0		0	[1]
No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	184,342	184,342		260,413	[1]
With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	$ 23,620	$ 23,620		$ 20,593	[1]

[1] The table has been corrected to include performing TDRs in the prior period presentation. Previously, the Company did not include performing TDRs as impaired loans. The amount of performing TDR's as of December 31, 2010 totaled approximately $122 million.

[2] Excludes interest from performing TDRs.