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Schedule II - Condensed Financial Information of Registrant (Condensed Balance Sheets) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | --- | --- | ---
Assets |  |  |  |
Fixed maturities available for sale, at fair value | $ 2,760,287 | $ 3,145,027 |  |
Short-term investments | 119,236 | 131,259 |  |
Cash and cash equivalents | 241,100 | 197,040 | $ 129,383 | $ 118,551
Other assets | 106,108 | 93,263 |  |
Total Assets | 4,908,163 | 5,169,160 |  |
Liabilities |  |  |  |
Dividends declared and not yet paid | 69,447 | 167,744 | 18,532 |
Other liabilities | 202,303 | 320,853 |  |
Debt | 350,000 | 250,000 |  |
Total Liabilities | 2,949,809 | 3,011,216 |  |
Shareholders’ Equity: |  |  |  |
Common stock | 625 | 623 |  |
Total Shareholders’ Equity | 1,958,354 | 2,157,944 | 2,394,414 | 2,270,580
Total Liabilities and Shareholders’ Equity | 4,908,163 | 5,169,160 |  |
Parent Company [Member] |  |  |  |
Assets |  |  |  |
Investment in subsidiaries, at equity | 2,026,247 | 2,145,358 |  |
Fixed maturities available for sale, at fair value | 202,501 | 203,451 |  |
Short-term investments | 16,716 | 42,790 |  |
Cash and cash equivalents | 103,292 | 87,200 | 37,459 | $ 29,397
Due from subsidiaries | 0 | 87,719 |  |
Other assets | 48,288 | 25,736 |  |
Total Assets | 2,397,044 | 2,592,254 |  |
Liabilities |  |  |  |
Due to subsidiaries | 14,803 | 0 |  |
Dividends declared and not yet paid | 69,447 | 167,744 | $ 18,532 |
Other liabilities | 4,440 | 16,566 |  |
Debt | 350,000 | 250,000 |  |
Total Liabilities | 438,690 | 434,310 |  |
Shareholders’ Equity: |  |  |  |
Common stock | 625 | 623 |  |
Other shareholders’ equity, including unrealized gains (losses) on securities of subsidiaries | 1,957,729 | 2,157,321 |  |
Total Shareholders’ Equity | 1,958,354 | 2,157,944 |  |
Total Liabilities and Shareholders’ Equity | $ 2,397,044 | $ 2,592,254 |  |

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