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Schedule II - Condensed Financial Information of Registrant - Statement of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Operating Activities: |  |  |
Net Cash Provided by (Used in) Operating Activities | $ 3,815,227 | $ 3,427,555 | $ 2,886,505
Investing Activities: |  |  |
Net (purchases) sales of short-term investments | 467,249 | 165,272 | (1,029,681)
Purchases of fixed assets | (51,672) | (41,394) | (39,872)
Other | 125,405 | (523,864) | (62,197)
Net cash used for investing activities | (3,102,055) | (2,139,732) | (3,043,226)
Financing Activities: |  |  |
Purchases of common shares under share repurchase program | (585,823) | (1,234,294) | (83,472)
Proceeds from common shares issued, net | 6,660 | 6,418 | 1,876
Proceeds from issuance of preferred shares, net | 0 | 485,821 | 0
Redemption of preferred shares | 0 | (450,000) | 0
Proceeds from borrowings | 0 | 0 | 1,018,793
Preferred dividends paid | (40,736) | (48,280) | (41,612)
Net Cash Provided by (Used in) Financing Activities | (705,726) | (1,229,549) | 521,278
Increase (decrease) in cash and restricted cash | (41,443) | 24,227 | 386,846
Cash and restricted cash, beginning of year | 1,314,771 | 1,290,544 | 903,698
Cash and restricted cash, end of year | 1,273,328 | 1,314,771 | 1,290,544
Parent |  |  |
Operating Activities: |  |  |
Net Cash Provided by (Used in) Operating Activities | 621,307 | 1,727,529 | 124,751
Investing Activities: |  |  |
Net (purchases) sales of short-term investments | (4,838) | (1,866) | (130)
Capital contributed to subsidiaries | 0 | (487,161) | (988,975)
Purchases of fixed assets | (22) | (783) | (15)
Other | (1,462) | 0 | 0
Net cash used for investing activities | (6,322) | (489,810) | (989,120)
Financing Activities: |  |  |
Purchases of common shares under share repurchase program | (585,823) | (1,234,294) | (83,472)
Proceeds from common shares issued, net | 6,660 | 6,418 | 1,876
Proceeds from issuance of preferred shares, net | 0 | 485,821 | 0
Redemption of preferred shares | 0 | (450,000) | 0
Proceeds from borrowings | 0 | 0 | 988,393
Preferred dividends paid | (40,736) | (48,280) | (41,612)
Net Cash Provided by (Used in) Financing Activities | (619,899) | (1,240,335) | 865,185
Increase (decrease) in cash and restricted cash | (4,914) | (2,616) | 816
Cash and restricted cash, beginning of year | 16,344 | 18,960 | 18,144
Cash and restricted cash, end of year | $ 11,430 | $ 16,344 | $ 18,960

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586 + Details
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