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Schedule II. Condensed Financial Information Of Registrant (Balance Sheets) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
Assets |  |  |  |
Fixed maturity investments trading, at fair value - amortized cost $22,402 at December 31, 2016 (2015 - $96,957) | $ 6,891,244 | $ 6,765,005 |  |
Short term investments, at fair value | 1,368,379 | 1,208,401 |  |
Cash and cash equivalents | 421,157 | 506,885 | $ 525,584 | $ 408,032
Investments in subsidiaries | 0 | 0 |  |
Accrued investment income | 38,076 | 39,749 |  |
Receivable for investments sold | 105,841 | 220,834 |  |
Other assets | 175,382 | 181,011 |  |
Goodwill and other intangible assets | 251,186 | 265,154 |  |
Total assets | 12,352,082 | 11,555,287 |  |
Liabilities |  |  |  |
Due to subsidiaries | 0 | 0 |  |
Payable for investments purchased | 305,714 | 391,378 |  |
Other liabilities | 301,684 | 245,145 |  |
Total liabilities | 6,309,911 | 5,777,139 |  |
Shareholders' Equity |  |  |  |
Preference shares: $1.00 par value – 16,000,000 shares issued and outstanding at December 31, 2016 (2015 – 16,000,000) | 400,000 | 400,000 |  |
Common shares: $1.00 par value – 41,187,413 shares issued and outstanding at December 31, 2016 (2015 – 43,701,064) | 41,187 | 43,701 |  |
Additional paid-in capital | 216,558 | 507,674 |  |
Accumulated other comprehensive income | 1,133 | 2,108 |  |
Retained earnings | 4,207,699 | 3,778,701 |  |
Total shareholders’ equity | 4,866,577 | 4,732,184 | 3,865,715 |
Total liabilities, noncontrolling interests and shareholders’ equity | 12,352,082 | 11,555,287 |  |
Parent Company |  |  |  |
Assets |  |  |  |
Fixed maturity investments trading, at fair value - amortized cost $22,402 at December 31, 2016 (2015 - $96,957) | 22,119 | 96,441 |  |
Short term investments, at fair value | 365,155 | 253,451 |  |
Cash and cash equivalents | 7,067 | 10,185 | $ 5,986 | $ 8,796
Investments in subsidiaries | 4,074,769 | 3,902,519 |  |
Due from subsidiaries | 7,413 | 19,168 |  |
Dividends due from subsidiaries | 0 | 62,114 |  |
Accrued investment income | 105 | 1,253 |  |
Receivable for investments sold | 136 | 26 |  |
Other assets | 410,757 | 390,302 |  |
Goodwill and other intangible assets | 130,407 | 137,064 |  |
Total assets | 5,017,928 | 4,872,523 |  |
Liabilities |  |  |  |
Notes and bank loans payable | 117,000 | 117,000 |  |
Due to subsidiaries | 14,644 | 2,641 |  |
Payable for investments purchased | 0 | 999 |  |
Other liabilities | 19,707 | 19,699 |  |
Total liabilities | 151,351 | 140,339 |  |
Shareholders' Equity |  |  |  |
Preference shares: $1.00 par value – 16,000,000 shares issued and outstanding at December 31, 2016 (2015 – 16,000,000) | 400,000 | 400,000 |  |
Common shares: $1.00 par value – 41,187,413 shares issued and outstanding at December 31, 2016 (2015 – 43,701,064) | 41,187 | 43,701 |  |
Additional paid-in capital | 216,558 | 507,674 |  |
Accumulated other comprehensive income | 1,133 | 2,108 |  |
Retained earnings | 4,207,699 | 3,778,701 |  |
Total shareholders’ equity | 4,866,577 | 4,732,184 |  |
Total liabilities, noncontrolling interests and shareholders’ equity | $ 5,017,928 | $ 4,872,523 |  |

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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(g)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4590271-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4568740-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4568447-111683 + Details
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