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Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, unless otherwise specified | Total | Preference Shares | Common Shares | Additional Paid-In Capital | Accumulated Other Comprehensive Income | Retained Earnings | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Beginning of period at Dec. 31, 2012 |  | $ 400,000 | $ 45,542 | $ 0 | $ 13,622 | $ 3,043,901 |
Statement of Changes in Stockholders' Equity |  |  |  |  |  |  |
Issuance of shares |  | 275,000 |  |  |  |  |
Repurchase of shares |  | (275,000) | (1,498) | (2,978) |  | (117,520) |
Offering expenses |  |  |  | (9,345) |  |  |
Change in noncontrolling interests |  |  |  | 499 |  |  |
Exercise of options and issuance of restricted stock awards |  |  | 341 | 11,824 |  |  |
Change in net unrealized gains on investments | (8,713) |  |  |  | (8,713) |  |
Net income | 283,660 |  |  |  |  | 283,660 |
Net income attributable to noncontrolling interests | (52,622) |  |  |  |  | (52,622) |
Dividends on common shares |  |  |  |  |  | (24,658) |
Dividends on preference shares | (13,758) |  |  |  |  | (13,758) |
Noncontrolling interest |  |  |  |  |  |  | 3,693
Total shareholders’ equity | 3,571,990 |  |  |  |  |  |
End of period at Jun. 30, 2013 |  | 400,000 | 44,385 | 0 | 4,909 | 3,119,003 |
Beginning of period at Dec. 31, 2013 | 3,904,384 | 400,000 | 43,646 | 0 | 4,131 | 3,456,607 |
Statement of Changes in Stockholders' Equity |  |  |  |  |  |  |
Issuance of shares |  | 0 |  |  |  |  |
Repurchase of shares |  | 0 | (3,363) | 2,139 |  | (313,312) |
Offering expenses |  |  |  | 0 |  |  |
Change in noncontrolling interests |  |  |  | 43 |  |  |
Exercise of options and issuance of restricted stock awards |  |  | 240 | (2,182) |  |  |
Change in net unrealized gains on investments | (213) |  |  |  | (213) |  |
Net income | 361,792 |  |  |  |  | 361,792 |
Net income attributable to noncontrolling interests | (78,846) |  |  |  |  | (78,846) |
Dividends on common shares |  |  |  |  |  | (23,550) |
Dividends on preference shares | (11,191) |  |  |  |  | (11,191) |
Noncontrolling interest |  |  |  |  |  |  | 0
Total shareholders’ equity | 3,835,941 |  |  |  |  |  |
End of period at Jun. 30, 2014 | $ 3,835,941 | $ 400,000 | $ 40,523 | $ 0 | $ 3,918 | $ 3,391,500 |

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- Definition Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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