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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified | Total | Additional Paid In Capital Preferred Stock | Common Stock | Additional Paid In Capital Common Stock | Retained Earnings | Treasury Stock | Accumulated Other Comprehensive Income (Loss), Net of Tax | Comprehensive Income | Preferred stock, Series A, non-cumulative convertible Additional Paid In Capital Preferred Stock | Preferred stock, Series A, non-cumulative convertible Common Stock | Preferred stock, Series A, non-cumulative convertible Additional Paid In Capital Common Stock | Preferred stock, Series A, non-cumulative convertible Retained Earnings | Preferred stock, Series B, cumulative Additional Paid In Capital Preferred Stock | Preferred stock, Series B, cumulative Retained Earnings | Preferred stock, Series C, cumulative convertible Additional Paid In Capital Preferred Stock | Preferred stock, Series C, cumulative convertible Common Stock | Preferred stock, Series C, cumulative convertible Additional Paid In Capital Common Stock
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BALANCE at Dec. 31, 2008 | $ 1,550,766 | $ 472,311 | $ 70 | $ 695,521 | $ 580,282 | $ (102,817) | $ (94,601) |  |  |  |  |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 76,642 |  |  |  | 76,642 |  |  | 76,642 |  |  |  |  |  |  |  |  |
Net unrealized gain (loss) on investment securities available-for-sale, net of taxes (benefits) of ($13,007), ($4,028) and $52,749 and reclassification of ($12,084), $5,714, and ($63,730) net gain (loss) included in net income, for the year ended, December 31, 2011, 2010 and 2009 respectively | 72,844 |  |  |  |  |  | 72,844 | 72,844 |  |  |  |  |  |  |  |  |
Net unrealized gain as a result of desecuritization, net of taxes of $22,124 | 30,552 |  |  |  |  |  | 30,552 | 30,552 |  |  |  |  |  |  |  |  |
Noncredit-related impairment loss on securities, net of taxes (benefits) of ($2,143), ($6,492) and ($5,935) for the year ended, December 31, 2011, 2010 and 2009 respectively | (8,196) |  |  |  |  |  | (8,196) | (8,196) |  |  |  |  |  |  |  |  |
Total comprehensive income |  |  |  |  |  |  |  | 171,842 |  |  |  |  |  |  |  |  |
Stock compensation costs | 5,330 |  |  | 5,330 |  |  |  |  |  |  |  |  |  |  |  |  |
Tax benefit (provision) from stock compensation plans, net | (1,012) |  |  | (1,012) |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock issuance and conversion costs | (9,928) | (9,928) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issuance costs | (10,392) |  |  | (10,392) |  |  |  |  |  |  |  |  |  |  |  |  |
Induced conversion of 110,764 shares of Series A preferred stock | (107,474) |  |  |  |  |  |  |  | (107,474) |  |  |  |  |  |  |  |
Issuance of 1,024,925, 1,867,194 and 488,256 shares of common stock pursuant to various stock compensation plans and agreements, for the year ended, December 31, 2011, 2010 and 2009 respectively | 949 |  | 1 | 948 |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of preferred stock into common stock | 107,474 |  |  |  |  |  |  |  |  | 10 | 125,804 | (18,340) |  |  |  |  |
Issuance of 23,247,012 shares common stock from various private placements | 192,454 |  | 24 | 192,430 |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of 12,650,000 shares common stock from public offering | 80,328 |  | 12 | 80,316 |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of 27,831, 17,910 and 22,386 shares pursuant to Director retainer fee, for the year ended, December 31, 2011, 2010 and 2009 respectively | 219 |  |  | 219 |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of 335,047 shares Series C preferred stock, net of stock issuance costs | 335,047 |  |  |  |  |  |  |  |  |  |  |  |  |  | 335,047 |  |
Cancellation of 240,193, 343,029 and 76,962 shares of common stock due to forfeitures of issued restricted stock, for the year ended, December 31, 2011, 2010 and 2009 respectively |  |  |  | 1,883 |  | (1,883) |  |  |  |  |  |  |  |  |  |  |
Purchase of 29,610, 65,834 and 37,020 shares of treasury stock due to the vesting of restricted stock, for the year ended, December 31, 2011, 2010 and 2009 respectively | (430) |  |  |  |  | (430) |  |  |  |  |  |  |  |  |  |  |
Amortization of Series B preferred stock discount | (3,847) |  |  |  |  |  |  |  |  |  |  |  | 3,847 | (3,847) |  |  |
Preferred stock dividends | (26,928) |  |  |  | (26,928) |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends | (3,586) |  |  |  | (3,586) |  |  |  |  |  |  |  |  |  |  |  |
BALANCE at Dec. 31, 2009 | 2,284,659 | 693,803 | 117 | 1,091,047 | 604,223 | (105,130) | 599 |  |  |  |  |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 164,564 |  |  |  | 164,564 |  |  | 164,564 |  |  |  |  |  |  |  |  |
Net unrealized gain (loss) on investment securities available-for-sale, net of taxes (benefits) of ($13,007), ($4,028) and $52,749 and reclassification of ($12,084), $5,714, and ($63,730) net gain (loss) included in net income, for the year ended, December 31, 2011, 2010 and 2009 respectively | (5,563) |  |  |  |  |  | (5,563) | (5,563) |  |  |  |  |  |  |  |  |
Noncredit-related impairment loss on securities, net of taxes (benefits) of ($2,143), ($6,492) and ($5,935) for the year ended, December 31, 2011, 2010 and 2009 respectively | (8,966) |  |  |  |  |  | (8,966) | (8,966) |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments, net of taxes (benefits) of ($438) and $1,098 for the year ended, December 31, 2011 and 2010 respectively | 1,516 |  |  |  |  |  | 1,516 | 1,516 |  |  |  |  |  |  |  |  |
Total comprehensive income |  |  |  |  |  |  |  | 151,551 |  |  |  |  |  |  |  |  |
Stock compensation costs | 8,480 |  |  | 8,480 |  |  |  |  |  |  |  |  |  |  |  |  |
Tax benefit (provision) from stock compensation plans, net | (170) |  |  | (170) |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of 1,024,925, 1,867,194 and 488,256 shares of common stock pursuant to various stock compensation plans and agreements, for the year ended, December 31, 2011, 2010 and 2009 respectively | 4,454 |  | 2 | 4,452 |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of preferred stock into common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (325,299) | 37 | 325,262
Issuance of 27,831, 17,910 and 22,386 shares pursuant to Director retainer fee, for the year ended, December 31, 2011, 2010 and 2009 respectively | 281 |  |  | 281 |  |  |  |  |  |  |  |  |  |  |  |  |
Cancellation of 240,193, 343,029 and 76,962 shares of common stock due to forfeitures of issued restricted stock, for the year ended, December 31, 2011, 2010 and 2009 respectively |  |  |  | 4,925 |  | (4,925) |  |  |  |  |  |  |  |  |  |  |
Purchase of 29,610, 65,834 and 37,020 shares of treasury stock due to the vesting of restricted stock, for the year ended, December 31, 2011, 2010 and 2009 respectively | (1,207) |  |  |  |  | (1,207) |  |  |  |  |  |  |  |  |  |  |
Amortization of Series B preferred stock discount | (21,042) |  |  |  |  |  |  |  |  |  |  |  | 21,042 | (21,042) |  |  |
Preferred stock dividends | (22,084) |  |  |  | (22,084) |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends | (5,545) |  |  |  | (5,545) |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of 1,517,555 common stock warrants for the year ended, December 31, 2011 and 306,546 shares of Series B preferred stock for the year ended, December 31, 2010 | (306,488) |  |  |  |  |  |  |  |  |  |  |  | (306,488) |  |  |  |
BALANCE at Dec. 31, 2010 | 2,113,931 | 83,058 | 156 | 1,434,277 | 720,116 | (111,262) | (12,414) |  |  |  |  |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 245,234 |  |  |  | 245,234 |  |  | 245,234 |  |  |  |  |  |  |  |  |
Net unrealized gain (loss) on investment securities available-for-sale, net of taxes (benefits) of ($13,007), ($4,028) and $52,749 and reclassification of ($12,084), $5,714, and ($63,730) net gain (loss) included in net income, for the year ended, December 31, 2011, 2010 and 2009 respectively | (17,961) |  |  |  |  |  | (17,961) | (17,961) |  |  |  |  |  |  |  |  |
Noncredit-related impairment loss on securities, net of taxes (benefits) of ($2,143), ($6,492) and ($5,935) for the year ended, December 31, 2011, 2010 and 2009 respectively | (2,960) |  |  |  |  |  | (2,960) | (2,960) |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments, net of taxes (benefits) of ($438) and $1,098 for the year ended, December 31, 2011 and 2010 respectively | (605) |  |  |  |  |  | (605) | (605) |  |  |  |  |  |  |  |  |
Total comprehensive income |  |  |  |  |  |  |  | 223,708 |  |  |  |  |  |  |  |  |
Stock compensation costs | 13,543 |  |  | 13,543 |  |  |  |  |  |  |  |  |  |  |  |  |
Tax benefit (provision) from stock compensation plans, net | 717 |  |  | 717 |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of 1,024,925, 1,867,194 and 488,256 shares of common stock pursuant to various stock compensation plans and agreements, for the year ended, December 31, 2011, 2010 and 2009 respectively | 5,206 |  | 1 | 5,205 |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of preferred stock into common stock |  |  |  |  |  |  |  |  | (31) |  | 31 |  |  |  |  |  |
Issuance of 27,831, 17,910 and 22,386 shares pursuant to Director retainer fee, for the year ended, December 31, 2011, 2010 and 2009 respectively | 520 |  |  | 520 |  |  |  |  |  |  |  |  |  |  |  |  |
Cancellation of 240,193, 343,029 and 76,962 shares of common stock due to forfeitures of issued restricted stock, for the year ended, December 31, 2011, 2010 and 2009 respectively |  |  |  | 4,090 |  | (4,090) |  |  |  |  |  |  |  |  |  |  |
Purchase of 29,610, 65,834 and 37,020 shares of treasury stock due to the vesting of restricted stock, for the year ended, December 31, 2011, 2010 and 2009 respectively | (649) |  |  |  |  | (649) |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends | (6,857) |  |  |  | (6,857) |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends | (23,876) |  |  |  | (23,876) |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of 1,517,555 common stock warrants for the year ended, December 31, 2011 and 306,546 shares of Series B preferred stock for the year ended, December 31, 2010 | (14,500) |  |  | (14,500) |  |  |  |  |  |  |  |  |  |  |  |  |
BALANCE at Dec. 31, 2011 | $ 2,311,743 | $ 83,027 | $ 157 | $ 1,443,883 | $ 934,617 | $ (116,001) | $ (33,940) |  |  |  |  |  |  |  |  |  |

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