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v3.19.1

Reinsurance (List of Direct, Assumed, and Ceded Reinsurance Amounts) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Premiums written: |  |
Direct | $ 766,394 | $ 714,234
Assumed | 6,555 | 6,271
Ceded | (100,002) | (95,945)
Net | 672,947 | 624,560
Premiums earned: |  |
Direct | 728,037 | 683,733
Assumed | 6,562 | 6,124
Ceded | (102,026) | (98,029)
Net | 632,573 | 591,828
Loss and loss expenses incurred: |  |
Direct | 424,657 | 420,916
Assumed | 5,265 | 8,004
Ceded | (43,343) | (43,979)
Net | $ 386,579 | $ 384,941

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