| Cash flows from operating activities | |
| Net (loss) income | |
| Adjustments to reconcile net (loss) income to net cash provided by operating activities: | |
| Amortization of net premium on investments | |
| Amortization of intangible assets | |
| Net realized and unrealized investment gains (losses) | |
| Changes in: | |
| Reinsurance balances, net | |
| Reinsurance recoverable on paid and unpaid losses, net of ceded premiums payable | |
| Funds held by reinsured companies and funds held - directly managed | |
| Deferred acquisition costs | |
| Net tax assets and liabilities | |
| Unpaid losses and loss expenses including life policy benefits | |
| Unearned premiums | |
| Other net changes in operating assets and liabilities | |
| Net cash provided by operating activities | |
| Redemptions of fixed maturities | |
| Sales and redemptions of short-term investments | |
| Purchases of short-term investments | |
| Other, net | |
| Net cash (used in) provided by investing activities | |
| Cash flows from financing activities | |
| Cash dividends paid to shareholders | |
| Net proceeds from issuance of preferred shares | |
| Repurchase of common shares | |
| Issuance of common shares | |
| Proceeds from issuance of senior notes | |
| Contract fees on forward sale agreement | |
| Net cash provided by (used in) financing activities | |
| Effect of foreign exchange rate changes on cash | |
| (Decrease) increase in cash and cash equivalents | |
| Cash and cash equivalents - beginning of period | |
| Cash and cash equivalents - end of period | |
| Supplemental cash flow information: | |
| Taxes paid | |
| Interest paid | |
| Fixed maturities [Member] | |
| Changes in: | |
| Sales | 1.79B |
| Purchases | -1.85B |
| Equity securities [Member] | |
| Changes in: | |
| Sales | 156.12M |
| Purchases | -144.87M |