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Reinsurance (List of Direct, Assumed, and Ceded Reinsurance Amounts) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Premiums written: |  |  |  |
Direct | $ 621,408 | $ 572,314 | $ 1,220,191 | $ 1,130,205
Assumed | 4,960 | 5,837 | 11,041 | 13,687
Ceded premiums written | (94,235) | (98,328) | (181,011) | (187,319)
Net | 532,133 | 479,823 | 1,050,221 | 956,573
Premiums earned: |  |  |  |
Direct | 576,107 | 544,913 | 1,138,149 | 1,081,613
Assumed | 5,093 | 10,385 | 11,001 | 20,570
Ceded premiums earned | (90,891) | (91,673) | (182,718) | (182,063)
Net | 490,309 | 463,625 | 966,432 | 920,120
Loss and loss expense incurred: |  |  |  |
Direct | 316,648 | 332,707 | 628,894 | 691,056
Assumed | 4,228 | 7,377 | 8,890 | 14,856
Ceded loss and loss expense incurred | (29,315) | (42,289) | (61,224) | (87,571)
Net | $ 291,561 | $ 297,795 | $ 576,560 | $ 618,341
Percentage of NFIP claims ceded by federal government |  |  | 100.00% |

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