NON COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES, Impaired Loans (Details) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Impaired Loans [Abstract]
Number of days past due or matured before loan is considered impaired (in days)	90D	90D
Minimum threshold for modified or restructured loans to trigger a review for possible impairment	$ 5,000,000	$ 5,000,000
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	209,513,000	209,513,000	195,526,000
Recorded investment	135,475,000	135,475,000	158,867,000
Average recorded investment	148,385,000	156,033,000	177,229,000
Interest income recognized (cash basis)	415,000	830,000	7,204,000
Residential [Member] | Single-family [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	9,089,000	9,089,000	8,272,000
Recorded investment	8,539,000	8,539,000	7,413,000
Average recorded investment	8,648,000	8,884,000	9,046,000
Interest income recognized (cash basis)	3,000	6,000	209,000
Residential [Member] | Single-family [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0	355,000
Related allowance	0	0	219,000
Residential [Member] | Single-family [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	8,539,000	8,539,000	7,058,000
Residential [Member] | Multifamily [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	17,002,000	17,002,000	19,065,000
Recorded investment	14,883,000	14,883,000	17,382,000
Average recorded investment	15,257,000	15,542,000	18,835,000
Interest income recognized (cash basis)	44,000	87,000	540,000
Residential [Member] | Multifamily [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	404,000	404,000	631,000
Related allowance	91,000	91,000	90,000
Residential [Member] | Multifamily [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	14,479,000	14,479,000	16,751,000
Commercial Real Estate [Member] | Income Producing [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	53,805,000	53,805,000	53,615,000
Recorded investment	29,131,000	29,131,000	46,416,000
Average recorded investment	29,983,000	30,333,000	53,678,000
Interest income recognized (cash basis)	68,000	137,000	2,174,000
Commercial Real Estate [Member] | Income Producing [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	1,451,000	1,451,000	6,354,000
Related allowance	342,000	342,000	1,557,000
Commercial Real Estate [Member] | Income Producing [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	27,680,000	27,680,000	40,062,000
Commercial Real Estate [Member] | Construction [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	52,704,000	52,704,000	41,200,000
Recorded investment	33,526,000	33,526,000	35,466,000
Average recorded investment	42,360,000	45,325,000	39,076,000
Interest income recognized (cash basis)	54,000	108,000	1,728,000
Commercial Real Estate [Member] | Construction [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	2,695,000	2,695,000	2,436,000
Related allowance	1,187,000	1,187,000	1,366,000
Commercial Real Estate [Member] | Construction [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	30,831,000	30,831,000	33,030,000
Commercial Real Estate [Member] | Land (Commercial Real Estate) [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	37,932,000	37,932,000	39,840,000
Recorded investment	24,150,000	24,150,000	28,899,000
Average recorded investment	24,808,000	26,807,000	32,722,000
Interest income recognized (cash basis)	89,000	178,000	1,326,000
Commercial Real Estate [Member] | Land (Commercial Real Estate) [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	6,196,000	6,196,000	6,920,000
Related allowance	552,000	552,000	4,324,000
Commercial Real Estate [Member] | Land (Commercial Real Estate) [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	17,954,000	17,954,000	21,979,000
Commercial and Industrial [Member] | Commercial Business [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	34,295,000	34,295,000	32,273,000
Recorded investment	23,060,000	23,060,000	22,671,000
Average recorded investment	24,196,000	25,635,000	22,800,000
Interest income recognized (cash basis)	141,000	283,000	1,199,000
Commercial and Industrial [Member] | Commercial Business [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	2,689,000	2,689,000	3,897,000
Related allowance	1,574,000	1,574,000	2,468,000
Commercial and Industrial [Member] | Commercial Business [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	20,371,000	20,371,000	18,774,000
Commercial and Industrial [Member] | Trade Finance [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	2,998,000	2,998,000	0
Recorded investment	1,109,000	1,109,000	0
Average recorded investment	2,055,000	2,370,000	0
Interest income recognized (cash basis)	15,000	30,000	0
Commercial and Industrial [Member] | Trade Finance [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0	0
Related allowance	0	0	0
Commercial and Industrial [Member] | Trade Finance [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	1,109,000	1,109,000	0
Consumer [Member] | Student Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	0	0	0
Recorded investment	1,077,000	1,077,000	0
Average recorded investment	0	0	0
Interest income recognized (cash basis)	0	0	0
Consumer [Member] | Student Loans [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0	0
Related allowance	0	0	0
Consumer [Member] | Student Loans [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	1,077,000	1,077,000	0
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	1,688,000	1,688,000	1,261,000
Recorded investment	0	0	620,000
Average recorded investment	1,078,000	1,137,000	1,072,000
Interest income recognized (cash basis)	1,000	1,000	28,000
Consumer [Member] | Other Consumer [Member] | With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0	0
Related allowance	0	0	0
Consumer [Member] | Other Consumer [Member] | No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	0	0	620,000
With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	13,435,000	13,435,000	20,593,000
Related allowance	3,746,000	3,746,000	10,024,000
No Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	$ 122,040,000	$ 122,040,000	$ 138,274,000