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Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Statement of Cash Flows [Abstract] |  |
Net income | $ 71,071 | $ 100,653
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Share compensation expense | 4,498 | 3,468
Interest expense on deposit liabilities | 1,044 | 0
Net unrealized loss (gain) on investments and derivatives | 5,175 | (22,065)
Net realized gain on investments and derivatives | (131,308) | (112,895)
Amortization of premium and accretion of discount, net | 1,292 | (2,507)
Changes in assets and liabilities: |  |
Reinsurance balances receivable | (54,069) | (97,239)
Deferred acquisition costs, net | (39,667) | (24,879)
Unearned premiums ceded | 0 | (4,988)
Loss and loss adjustment expenses recoverable | (997) | (4,190)
Other assets | 115 | (2,137)
Interest and dividends receivable, net | (1,064) | (145)
Unearned premium reserves | 81,084 | 93,420
Loss and loss adjustment expense reserves | 50,296 | 45,829
Accounts payable and accrued expenses | (4,000) | 47
Reinsurance balances payable | 17,775 | 8,579
Performance fee payable to related party | 22,002 | 27,229
Net cash provided by operating activities | 23,247 | 8,180
Investing activities |  |
Purchases of investments | (1,462,226) | (967,225)
Proceeds from sales of investments | 1,245,348 | 1,127,171
Purchases of investments to cover short sales | (97,112) | (272,740)
Proceeds from short sales of investments | 101,861 | 162,394
Change in due to/from brokers, net | 260,561 | (45,142)
Increase in securities purchased under an agreement to sell | 4,297 | 20,053
Non-controlling interest in investment affiliate | (49,507) | (33,500)
Change in restricted cash and cash equivalents | (28,547) | (52,942)
Net cash used in investing activities | (25,325) | (61,931)
Financing activities |  |
Increase (decrease) in deposit liabilities | (250) | 26,429
Non-controlling interest in Catastrophe Fund | 6,770 | 26,081
Non-controlling interest in Catastrophe Fund Manager | (90) | (162)
Net cash provided by financing activities | 6,430 | 52,348
Net increase (decrease) in cash and cash equivalents | 4,352 | (1,403)
Cash and cash equivalents at beginning of period | 31,625 | 34,005
Cash and cash equivalents at end of period | 35,977 | 32,602
Supplementary information |  |
Interest paid in cash | 944 | 1,859
Income tax paid in cash | $ 911 | $ 0

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- Definition The cash inflow provided by derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments. + References No definition available. + Details
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- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash flow from purchases followed by sales of securities under terms of reverse repurchase agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition Amount of cash inflow (outflow) from sales and purchases of trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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