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Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2018
Reinsurance Disclosures [Abstract] |
Schedule of Total Reinsurance Balances Segregated By Reinsurer |
|  | As of December 31, 2018 |  | As of December 31, 2017
($ in thousands) |  | Reinsurance Balances |  | % of Reinsurance Balance |  | Reinsurance Balances |  | % of Reinsurance Balance
Total reinsurance recoverables |  | $ | 549,172 |  |  |  |  |  | $ | 594,832 |  |  |  |
Total prepaid reinsurance premiums |  | 157,723 |  |  |  |  |  | 153,493 |  |  |  |
Total reinsurance balance |  | 706,895 |  |  |  |  |  | 748,325 |  |  |  |
Federal and state pools 1: |  |  |  |  |  |  |  |  |  |  |  |
NFIP |  | 170,453 |  |  | 24 | % |  | 204,161 |  |  | 27 | %
New Jersey Unsatisfied Claim Judgment Fund |  | 55,167 |  |  | 7 |  |  | 62,947 |  |  | 9 |
Other |  | 3,602 |  |  | 1 |  |  | 3,634 |  |  | — |
Total federal and state pools |  | 229,222 |  |  | 32 |  |  | 270,742 |  |  | 36 |
Remaining reinsurance balance |  | $ | 477,673 |  |  | 68 |  |  | $ | 477,583 |  |  | 64 |
Munich Re Group (A.M. Best rated "A+") |  | $ | 112,841 |  |  | 16 |  |  | $ | 117,460 |  |  | 16 |
Hannover Ruckversicherungs AG (A.M. Best rated "A+") |  | 101,835 |  |  | 14 |  |  | 101,652 |  |  | 14 |
AXIS Reinsurance Company (A.M. Best rated "A+") |  | 69,102 |  |  | 10 |  |  | 62,396 |  |  | 8 |
Swiss Re Group (A.M. Best rated "A+") |  | 37,519 |  |  | 5 |  |  | 40,772 |  |  | 5 |
Transatlantic Reinsurance Company (A.M. Best rated “A+”) |  | 17,686 |  |  | 3 |  |  | 13,237 |  |  | 2 |
Endurance Specialty Ins. LTD. (A.M. Best rated “A+”) |  | 15,163 |  |  | 2 |  |  | 18,469 |  |  | 2 |
Partner Reinsurance Company of the U.S. (A.M. Best rated “A”) |  | 12,261 |  |  | 2 |  |  | 16,925 |  |  | 2 |
All other reinsurers |  | 111,266 |  |  | 16 |  |  | 106,672 |  |  | 15 |
Total reinsurers |  | 477,673 |  |  | 68 | % |  | 477,583 |  |  | 64 | %
Less: collateral 2 |  | (112,201 | ) |  |  |  | (122,413 | ) |  |
Reinsurers, net of collateral |  | $ | 365,472 |  |  |  |  | $ | 355,170 |  |  |
1 Considered to have minimal risk of default. 2 Includes letters of credit, trust funds, and funds held against reinsurance recoverables.
List Of Direct, Assumed, And Ceded Reinsurance Amounts |
($ in thousands) |  | 2018 |  | 2017 |  | 2016
Premiums written: |  |  |  |  |  |  |  |  |
Direct |  | $ | 2,890,633 |  |  | 2,733,459 |  |  | 2,577,259 |
Assumed |  | 26,250 |  |  | 26,685 |  |  | 28,779 |
Ceded |  | (402,597 | ) |  | (389,503 | ) |  | (368,750 | )
Net |  | $ | 2,514,286 |  |  | 2,370,641 |  |  | 2,237,288 |
Premiums earned: |  |  |  |  |  |  |  |  |
Direct |  | $ | 2,808,764 |  |  | 2,647,488 |  |  | 2,484,715 |
Assumed |  | 25,831 |  |  | 25,831 |  |  | 28,214 |
Ceded |  | (398,366 | ) |  | (382,292 | ) |  | (363,357 | )
Net |  | $ | 2,436,229 |  |  | 2,291,027 |  |  | 2,149,572 |
Loss and loss expense incurred: |  |  |  |  |  |  |  |  |
Direct |  | $ | 1,706,951 |  |  | 1,570,678 |  |  | 1,560,356 |
Assumed |  | 21,469 |  |  | 17,588 |  |  | 22,708 |
Ceded |  | (230,286 | ) |  | (243,192 | ) |  | (348,267 | )
Net |  | $ | 1,498,134 |  |  | 1,345,074 |  |  | 1,234,797 |
Schedule of Ceded Premiums and Losses Related to Flood Operations |
Ceded to NFIP ($ in thousands) |  | 2018 |  | 2017 |  | 2016
Ceded premiums written |  | $ | (248,053 | ) |  | (241,345 | ) |  | (232,245 | )
Ceded premiums earned |  | (244,238 | ) |  | (235,088 | ) |  | (227,882 | )
Ceded loss and loss expense incurred |  | (144,967 | ) |  | (160,922 | ) |  | (239,891 | )

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