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SUMMARY OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details) | 12 Months Ended
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Dec. 31, 2011 D M trust
Principles of Consolidation |
Number of wholly owned subsidiaries that are statutory business trusts | 7
Securities purchased under resale agreements ("Resale Agreements") |
Resale agreement term, low end of range (in days) | 1
Maximum term of resale agreement to be classified as cash and cash equivalents (in days) | 90
Minimum term of resale agreement to be separately categorized (in days) | 90
Investment securities |
Maximum term of investment securities to be classified as trading account securities (in days) | 7
Loans receivable |
Number of past due days for the loans receivable to be placed on nonaccrual status (in days) | 90
Troubled debt restructurings |
Period for which restructured loans remains on nonaccrual status, to demonstrate that the borrower can perform under the restructured terms (in months) | 6
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 (in months) | 3
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 (in branch) | 103
New York |
Operations summary |
Number of banking locations (in branch) | 8
Georgia |
Operations summary |
Number of banking locations (in branch) | 5
Massachusetts |
Operations summary |
Number of banking locations (in branch) | 3
Texas |
Operations summary |
Number of banking locations (in branch) | 2
Washington |
Operations summary |
Number of banking locations (in branch) | 4
In-store |
Operations summary |
Number of banking locations (in branch) | 11
Greater China |
Operations summary |
Number of banking locations (in branch) | 3

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