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SUMMARY OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details) | 12 Months Ended
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Dec. 31, 2013 trust | Dec. 31, 2012
Principles of Consolidation |  |
Number of wholly owned subsidiaries that are statutory business trusts | 6 |
Securities purchased under resale agreements ("Resale Agreements") |  |
Resale agreement term, low end of range | 1 day |
Maximum term of resale agreement to be classified as cash and cash equivalents | 90 days |
Minimum term of resale agreement to be separately categorized | 90 days |
Loans receivable |  |
Number of past due days for the loans receivable to be placed on nonaccrual status | 90 days |
Troubled debt restructurings |  |
Period for which restructured loans remains on nonaccrual status, to demonstrate that the borrower can perform under the restructured terms | 6 months |
Other real estate owned |  |
Maximum period of foreclosure within which sale of real estate owned will be recorded at fair value less cost of sales | 3 months |
FDIC percentage of reimbursement under shared loss agreements |  |
FDIC percentage of reimbursement under shared loss agreements | 80.00% |
Percentage of company's liability for losses under shared loss agreements | 20.00% | 20.00%
Investment in affordable housing partnerships |  |
Minimum partnership interest required for equity method of accounting (as a percent) | 5.00% |
California |  |
Operations summary |  |
Number of banking locations | 94 |
New York |  |
Operations summary |  |
Number of banking locations | 6 |
Georgia |  |
Operations summary |  |
Number of banking locations | 4 |
Massachusetts |  |
Operations summary |  |
Number of banking locations | 2 |
Nevada |  |
Operations summary |  |
Number of banking locations | 1 |
Texas |  |
Operations summary |  |
Number of banking locations | 1 |
Washington |  |
Operations summary |  |
Number of banking locations | 4 |
In-store |  |
Operations summary |  |
Number of banking locations | 12 |
Greater China |  |
Operations summary |  |
Number of banking locations | 3 |
Number of representative offices | 3 |
Taiwan |  |
Operations summary |  |
Number of representative offices | 1 |

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- Definition The number of consecutive months of payments received from the borrower on a nonperforming restructured loan for it to be considered as demonstrating a sustained period of performance and be removed from nonaccrual status. + References No definition available. + Details
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- Definition Percentage of eligible losses for which the FDIC is obligated to reimburse the Company pursuant to the shared-loss agreements. + References No definition available. + Details
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