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SHAREHOLDERS' EQUITY | 9 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
SHAREHOLDERS' EQUITY | The following table presents changes in common shares issued and outstanding:
|  | Three months ended September 30, |  | Nine months ended September 30, |
|  | 2021 |  | 2020 |  | 2021 |  | 2020 |
| Shares issued, balance at beginning of period | 176,580 |  |  | 176,580 |  |  | 176,580 |  |  | 176,580 |  |
| Shares issued | — |  |  | — |  |  | — |  |  | — |  |
| Total shares issued at end of period | 176,580 |  |  | 176,580 |  |  | 176,580 |  |  | 176,580 |  |
| Treasury shares, balance at beginning of period | (91,813) |  |  | (92,274) |  |  | (92,227) |  |  | (92,621) |  |
| Shares repurchased | (4) |  |  | (2) |  |  | (201) |  |  | (155) |  |
| Shares reissued | 10 |  |  | 5 |  |  | 621 |  |  | 505 |  |
| Total treasury shares at end of period | (91,807) |  |  | (92,271) |  |  | (91,807) |  |  | (92,271) |  |
| Total shares outstanding | 84,773 |  |  | 84,309 |  |  | 84,773 |  |  | 84,309 |  |
Treasury Shares The following table presents common shares repurchased from shares held in Treasury:
|  | Three months ended September 30, |  | Nine months ended September 30, |
|  | 2021 |  | 2020 |  | 2021 |  | 2020 |
| In the open market: |  |  |  |  |  |  |  |
| Total shares | — |  |  | — |  |  | — |  |  | — |  |
| Total cost | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |
| Average price per share(1) | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |
| From employees:(2) |  |  |  |  |  |  |  |
| Total shares | 4 |  |  | 2 |  |  | 201 |  |  | 155 |  |
| Total cost | $ | 206 |  |  | $ | 84 |  |  | $ | 10,025 |  |  | $ | 8,685 |  |
| Average price per share(1) | $ | 49.91 |  |  | $ | 46.85 |  |  | $ | 49.87 |  |  | $ | 55.94 |  |
| Total shares repurchased: |  |  |  |  |  |  |  |
| Total shares | 4 |  |  | 2 |  |  | 201 |  |  | 155 |  |
| Total cost | $ | 206 |  |  | $ | 84 |  |  | $ | 10,025 |  |  | $ | 8,685 |  |
| Average price per share(1) | $ | 49.91 |  |  | $ | 46.85 |  |  | $ | 49.87 |  |  | $ | 55.94 |  |
(1) Calculated using whole numbers. (2) Shares are repurchased from employees to satisfy withholding tax liabilities related to the vesting of share-settled restricted stock units. Dividends The following table presents dividends declared and paid related to the Company's common and preferred shares:
|  | Per share data |
|  | Dividends declared |  | Dividends paid in period of declaration |  | Dividends paid in period following declaration |
| Three months ended September 30, 2021 |  |  |  |  |  |
| Common shares | $ | 0.42 |  |  | $ | — |  |  | $ | 0.42 |  |
| Series E preferred shares | $ | 34.38 |  |  | $ | — |  |  | $ | 34.38 |  |
| Three months ended September 30, 2020 |  |  |  |  |  |
| Common shares | $ | 0.41 |  |  | $ | — |  |  | $ | 0.41 |  |
| Series E preferred shares | $ | 34.38 |  |  | $ | — |  |  | $ | 34.38 |  |
| Nine months ended September 30, 2021 |  |  |  |  |  |
| Common shares | $ | 1.26 |  |  | $ | 0.84 |  |  | $ | 0.42 |  |
| Series E preferred shares | $ | 103.13 |  |  | $ | 68.75 |  |  | $ | 34.38 |  |
| Nine months ended September 30, 2020 |  |  |  |  |  |
| Common shares | $ | 1.23 |  |  | $ | 0.82 |  |  | $ | 0.41 |  |
| Series E preferred shares | $ | 103.13 |  |  | $ | 68.75 |  |  | $ | 34.38 |  |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -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=120397183&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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