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v3.19.1

Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Preference shares | Common shares | Additional paid-in capital | Accumulated other comprehensive (loss) income | Retained earnings
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2017 |  | $ 400,000 | $ 40,024 | $ 37,355 | $ 224 | $ 3,913,772
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of shares |  |  | 0 | 0 |  |
Exercise of options and issuance of restricted stock awards |  |  | 222 | 1,141 |  |
Change in redeemable noncontrolling interests |  |  |  | 56 |  |
Change in net unrealized (losses) gains on investments |  |  |  |  | (30) |
Net income | $ 92,207 |  |  |  |  | 92,207
Net income attributable to redeemable noncontrolling interests | (29,899) |  |  |  |  | (29,899)
Dividends on common shares | (13,200) |  |  |  |  | (13,224)
Dividends on preference shares | (5,595) |  |  |  |  | (5,595)
Ending balance at Mar. 31, 2018 | 4,436,253 | 400,000 | 40,246 | 38,552 | 194 | 3,957,261
Beginning balance at Dec. 31, 2018 | 5,045,080 | 650,000 | 42,207 | 296,099 | (1,433) | 4,058,207
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of shares |  |  | 1,739 | 248,259 |  |
Exercise of options and issuance of restricted stock awards |  |  | 213 | (466) |  |
Change in redeemable noncontrolling interests |  |  |  | (3) |  |
Change in net unrealized (losses) gains on investments |  |  |  |  | (37) |
Net income | 353,128 |  |  |  |  | 353,128
Net income attributable to redeemable noncontrolling interests | (70,222) |  |  |  |  | (70,222)
Dividends on common shares | (14,500) |  |  |  |  | (14,469)
Dividends on preference shares | (9,189) |  |  |  |  |
Ending balance at Mar. 31, 2019 | $ 5,554,033 | $ 650,000 | $ 44,159 | $ 543,889 | $ (1,470) | $ 4,317,455

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