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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands | Preferred Stock [Member] | Additional Paid in Capital Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital Common Stock [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive (Loss), Net of Tax [Member] | Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
BALANCE at Dec. 31, 2009 | $ 0 | $ 693,803 | $ 117 | $ 1,091,047 | $ 604,223 | $ (105,130) | $ 599 |  | $ 2,284,659
Comprehensive income: |  |  |  |  |  |  |  |  |
Net income |  |  |  |  | 61,264 |  |  | 61,264 | 61,264
Net unrealized gain on investment securities available-for-sale, net of taxes and reclassification of net gain included in net income |  |  |  |  |  |  | 5,962 | 5,962 | 5,962
Noncredit-related impairment loss on securities, net of tax benefits |  |  |  |  |  |  | (4,444) | (4,444) | (4,444)
Foreign currency translation adjustments, net of tax benefits |  |  |  |  |  |  | 185 | 185 | 185
Total comprehensive income |  |  |  |  |  |  |  | 62,967 |
Stock compensation costs |  |  |  | 3,876 |  |  |  |  | 3,876
Tax benefit from stock compensation plans, net |  |  |  | (216) |  |  |  |  | (216)
Issuance of common stock pursuant to various stock compensation plans and agreements |  |  | 1 | 1,800 |  |  |  |  | 1,801
Conversion of Series C preferred stock into common stock |  | (325,299) | 37 | 325,262 |  |  |  |  | 0
Cancellation of common stock due to forfeitures of issued restricted stock |  |  |  | 2,444 |  | (2,444) |  |  | 0
Purchase of treasury stock due to the vesting of restricted stock |  |  |  |  |  | (444) |  |  | (444)
Amortization of Series B preferred stock discount |  | 1,191 |  |  | (1,191) |  |  |  | 0
Preferred stock dividends |  |  |  |  | (11,094) |  |  |  | (11,094)
Common stock dividends |  |  |  |  | (2,585) |  |  |  | (2,585)
Repurchase of common stock warrants |  |  |  |  |  |  |  |  | 0
BALANCE at Jun. 30, 2010 | 0 | 369,695 | 155 | 1,424,213 | 650,617 | (108,018) | 2,302 |  | 2,338,964
BALANCE at Dec. 31, 2010 | 0 | 83,058 | 156 | 1,434,277 | 720,116 | (111,262) | (12,414) |  | 2,113,931
Comprehensive income: |  |  |  |  |  |  |  |  |
Net income |  |  |  |  | 116,596 |  |  | 116,596 | 116,596
Net unrealized gain on investment securities available-for-sale, net of taxes and reclassification of net gain included in net income |  |  |  |  |  |  | 20,461 | 20,461 | 20,461
Noncredit-related impairment loss on securities, net of tax benefits |  |  |  |  |  |  | (2,952) | (2,952) | (2,952)
Foreign currency translation adjustments, net of tax benefits |  |  |  |  |  |  | (665) | (665) | (665)
Total comprehensive income |  |  |  |  |  |  |  | 133,440 |
Stock compensation costs |  |  |  | 5,570 |  |  |  |  | 5,570
Tax benefit from stock compensation plans, net |  |  |  | 474 |  |  |  |  | 474
Issuance of common stock pursuant to various stock compensation plans and agreements |  |  |  | 3,341 |  |  |  |  | 3,341
Conversion of Series C preferred stock into common stock |  | (31) |  | 31 |  |  |  |  | 0
Cancellation of common stock due to forfeitures of issued restricted stock |  |  |  | 2,112 |  | (2,112) |  |  | 0
Purchase of treasury stock due to the vesting of restricted stock |  |  |  |  |  | (572) |  |  | (572)
Preferred stock dividends |  |  |  |  | (3,429) |  |  |  | (3,429)
Common stock dividends |  |  |  |  | (8,923) |  |  |  | (8,923)
Repurchase of common stock warrants |  |  |  | (14,500) |  |  |  |  | (14,500)
BALANCE at Jun. 30, 2011 | $ 0 | $ 83,027 | $ 156 | $ 1,431,305 | $ 824,360 | $ (113,946) | $ 4,430 |  | $ 2,229,332

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