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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |
Net Cash Provided by (Used in) Operating Activities | $ 300,822 | $ 206,412
Cash flows from investing activities: |  |
Proceeds from Sale and Maturity of Fixed-Maturity Investments Available-for-sale | 348,082 | 649,687
Proceeds from Sale of Equity Securities | 82,701 | 18,103
Proceeds from Sale of Trading Securities Held-for-investment | 16,639 | 130,022
Proceeds from Redemption of Fixed-Maturity Investments Available-for-sale | 219,825 | 260,848
Proceeds from Redemption of Trading Securities Held-for-investment | 33,849 | 43,603
Purchases of Fixed-Maturity Investments Available-for-sale | (807,204) | (1,147,875)
Purchases of Equity Securities | (52,357) | (193,409)
Sales, Redemptions and (Purchases) of Short-term Investments, Net | (205,566) | 201,942
Sales, Redemptions and (Purchases) of Other assets and other invested assets, net | 293 | 412
Purchases of property and equipment, net | (12,328) | (13,444)
Acquisitions, net of cash acquired | (634) | (86)
Net cash provided by (used in) investing activities | (376,700) | (50,197)
Cash flows from financing activities: |  |
Dividends paid | (1,073) | (1,076)
Purchases and redemptions of senior notes | 0 | (141,686)
Proceeds from termination of capped calls | 0 | 4,083
Issuance of common stock | 810 | 3,123
Purchase of common shares | (50,053) | (6)
Credit facility commitment fees paid | (405) | 0
Change in secured borrowings (Note 12) | 119,631 | 0
Proceeds from secured borrowings (with terms greater than 3 months) | 15,544 | 0
Repayment of other borrowings | (94) | (140)
Net cash provided by (used in) financing activities | 84,360 | (135,702)
Effect of exchange rate changes on cash and restricted cash | (1) | 77
Increase (decrease) in cash and restricted cash | 8,481 | 20,590
Cash and restricted cash, beginning of period | 96,244 | 61,814
Cash and restricted cash, end of period | $ 104,725 | $ 82,404

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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585 + Details
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