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BUSINESS SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | Dec. 31, 2010
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | $ 282,741 | $ 231,400 | $ 811,544 | $ 803,636 |
Charge for funds used | (53,712) | (54,022) | (180,442) | (186,791) |
Interest spread on funds used | 229,029 | 177,378 | 631,102 | 616,845 |
Interest expense | (44,959) | (48,595) | (137,592) | (155,484) |
Credit on funds provided | 53,712 | 54,022 | 180,442 | 186,791 |
Interest spread on funds provided | 8,753 | 5,427 | 42,850 | 31,307 |
Net interest income before provision for loan losses | 237,782 | 182,805 | 673,952 | 648,152 |
Provision for loan losses | (22,000) | (38,648) | (75,006) | (170,325) | (200,159)
Depreciation, amortization and accretion | (16,670) | (68,294) | (100,082) | (147,113) |
Goodwill | 337,438 | 337,438 | 337,438 | 337,438 | 337,438
Segment pre-tax profit | 97,685 | 73,527 | 279,995 | 170,203 |
Segment assets | 21,813,046 | 20,417,246 | 21,813,046 | 20,417,246 | 20,700,537
Number of operating segments | 3 |  | 3 |  |
Number of core segments | 2 |  | 2 |  |
Retail Banking [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | 88,189 | 69,311 | 270,943 | 269,453 |
Charge for funds used | (22,394) | (29,159) | (72,073) | (87,078) |
Interest spread on funds used | 65,795 | 40,152 | 198,870 | 182,375 |
Interest expense | (21,407) | (26,851) | (67,515) | (89,422) |
Credit on funds provided | 46,480 | 48,391 | 158,212 | 161,796 |
Interest spread on funds provided | 25,073 | 21,540 | 90,697 | 72,374 |
Net interest income before provision for loan losses | 90,868 | 61,692 | 289,567 | 254,749 |
Provision for loan losses | (11,185) | (26,261) | (20,128) | (59,976) |
Depreciation, amortization and accretion | (6,815) | (19,282) | (34,941) | (50,669) |
Goodwill | 320,566 | 320,566 | 320,566 | 320,566 |
Segment pre-tax profit | 15,773 | (18,021) | 81,443 | (1,172) |
Segment assets | 6,230,680 | 6,450,883 | 6,230,680 | 6,450,883 |
Commercial Lending [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | 166,789 | 143,729 | 465,138 | 473,004 |
Charge for funds used | (33,575) | (46,446) | (111,128) | (111,119) |
Interest spread on funds used | 133,214 | 97,283 | 354,010 | 361,885 |
Interest expense | (9,248) | (5,885) | (23,236) | (19,015) |
Credit on funds provided | 3,291 | 2,431 | 10,225 | 11,738 |
Interest spread on funds provided | (5,957) | (3,454) | (13,011) | (7,277) |
Net interest income before provision for loan losses | 127,257 | 93,829 | 340,999 | 354,608 |
Provision for loan losses | (10,815) | (12,387) | (54,878) | (110,349) |
Depreciation, amortization and accretion | (2,912) | (46,469) | (51,012) | (91,081) |
Goodwill | 16,872 | 16,872 | 16,872 | 16,872 |
Segment pre-tax profit | 64,290 | 64,698 | 164,258 | 106,165 |
Segment assets | 10,345,990 | 9,728,305 | 10,345,990 | 9,728,305 |
Other [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | 27,763 | 18,360 | 75,463 | 61,179 |
Charge for funds used | 2,257 | 21,583 | 2,759 | 11,406 |
Interest spread on funds used | 30,020 | 39,943 | 78,222 | 72,585 |
Interest expense | (14,304) | (15,859) | (46,841) | (47,047) |
Credit on funds provided | 3,941 | 3,200 | 12,005 | 13,257 |
Interest spread on funds provided | (10,363) | (12,659) | (34,836) | (33,790) |
Net interest income before provision for loan losses | 19,657 | 27,284 | 43,386 | 38,795 |
Provision for loan losses | 0 | 0 | 0 | 0 |
Depreciation, amortization and accretion | (6,943) | (2,543) | (14,129) | (5,363) |
Goodwill | 0 | 0 | 0 | 0 |
Segment pre-tax profit | 17,622 | 26,850 | 34,294 | 65,210 |
Segment assets | $ 5,236,376 | $ 4,238,058 | $ 5,236,376 | $ 4,238,058 |

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