Investments (Realized Gains (Losses)) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Held to maturity debt securities: | |||
| Real estate | $ 2,950 | $ 0 | $ 955 |
| Mortgage loans | 0 | 0 | 0 |
| Other | 0 | 0 | (478) |
| Other net investment gains (losses) | 13,070 | 7,461 | 11,755 |
| Debt Securities | |||
| Available for sale debt securities: | |||
| Realized gains on disposal | 2,644 | 3,378 | 7,795 |
| Realized losses on disposal | (29) | (74) | (22) |
| Held to maturity debt securities: | |||
| Realized gains on redemption | 6,940 | 4,027 | 3,453 |
| Realized losses on redemption | (137) | (25) | (17) |
| Equity securities | |||
| Held to maturity debt securities: | |||
| Equity securities realized gains | $ 702 | $ 155 | $ 69 |