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v3.19.3.a.u2

Schedule III - Supplementary Insurance Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Deferred policy acquisition costs |  | $ 271,186 |  |  |  | $ 252,612 |  |  |  | $ 271,186 |  | $ 252,612 |  | $ 235,055 |
Reserve for loss and loss expenses |  | 4,067,163 |  |  |  | 3,893,868 |  |  |  | 4,067,163 |  | 3,893,868 |  | 3,771,240 |
Unearned premiums |  | 1,523,167 |  |  |  | 1,431,932 |  |  |  | 1,523,167 |  | 1,431,932 |  | 1,349,644 |
Net premiums earned |  |  |  |  |  |  |  |  |  | 2,597,171 |  | 2,436,229 |  | 2,291,027 |
Net investment income | [1] |  |  |  |  |  |  |  |  | 236,965 |  | 140,413 |  | 168,241 |
Loss and loss expense incurred |  |  |  |  |  |  |  |  |  | 1,551,491 |  | 1,498,134 |  | 1,345,074 |
Amortization of deferred policy acquisition costs |  |  |  |  |  |  |  |  |  | 535,973 |  | 495,042 |  | 469,236 |
Other operating expenses |  |  |  |  |  |  |  |  |  | 345,714 | [2] | 321,880 | [3] | 322,381 | [4]
Net premiums written |  |  |  |  |  |  |  |  |  | 2,679,424 |  | 2,514,286 |  | 2,370,641 |
Other insurance expenses |  |  |  |  |  |  |  |  |  | 358,069 |  | 331,318 |  | 333,097 |
Other income |  | 3,820 | $ 3,162 | $ 3,053 | $ 2,320 | 1,542 | $ 2,538 | $ 3,179 | $ 2,179 | 12,355 |  | 9,438 |  | 10,716 |
Standard Commercial Lines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred policy acquisition costs |  | 226,464 |  |  |  | 206,391 |  |  |  | 226,464 |  | 206,391 |  | 193,408 |
Reserve for loss and loss expenses |  | 3,436,363 |  |  |  | 3,283,531 |  |  |  | 3,436,363 |  | 3,283,531 |  | 3,165,217 |
Unearned premiums |  | 1,108,009 |  |  |  | 1,020,054 |  |  |  | 1,108,009 |  | 1,020,054 |  | 956,173 |
Net premiums earned |  |  |  |  |  |  |  |  |  | 2,049,614 |  | 1,912,222 |  | 1,788,499 |
Net investment income |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Loss and loss expense incurred |  |  |  |  |  |  |  |  |  | 1,187,856 |  | 1,141,038 |  | 1,008,150 |
Amortization of deferred policy acquisition costs |  |  |  |  |  |  |  |  |  | 445,661 |  | 412,420 |  | 387,552 |
Other operating expenses |  |  |  |  |  |  |  |  |  | 270,107 |  | 249,660 |  | 243,283 |
Net premiums written |  |  |  |  |  |  |  |  |  | 2,137,071 |  | 1,975,683 |  | 1,858,735 |
Standard Personal Lines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred policy acquisition costs |  | 16,848 |  |  |  | 18,070 |  |  |  | 16,848 |  | 18,070 |  | 16,952 |
Reserve for loss and loss expenses |  | 224,200 |  |  |  | 223,223 |  |  |  | 224,200 |  | 223,223 |  | 263,166 |
Unearned premiums |  | 309,125 |  |  |  | 304,085 |  |  |  | 309,125 |  | 304,085 |  | 295,435 |
Net premiums earned |  |  |  |  |  |  |  |  |  | 307,739 |  | 304,441 |  | 289,701 |
Net investment income |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Loss and loss expense incurred |  |  |  |  |  |  |  |  |  | 211,300 |  | 206,752 |  | 189,294 |
Amortization of deferred policy acquisition costs |  |  |  |  |  |  |  |  |  | 34,477 |  | 33,617 |  | 32,542 |
Other operating expenses |  |  |  |  |  |  |  |  |  | 53,702 |  | 51,308 |  | 56,761 |
Net premiums written |  |  |  |  |  |  |  |  |  | 304,592 |  | 309,277 |  | 296,775 |
E&S Lines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred policy acquisition costs |  | 27,874 |  |  |  | 28,151 |  |  |  | 27,874 |  | 28,151 |  | 24,695 |
Reserve for loss and loss expenses |  | 406,600 |  |  |  | 387,114 |  |  |  | 406,600 |  | 387,114 |  | 342,857 |
Unearned premiums |  | 106,033 |  |  |  | 107,793 |  |  |  | 106,033 |  | 107,793 |  | 98,036 |
Net premiums earned |  |  |  |  |  |  |  |  |  | 239,818 |  | 219,566 |  | 212,827 |
Net investment income |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Loss and loss expense incurred |  |  |  |  |  |  |  |  |  | 152,335 |  | 150,344 |  | 147,630 |
Amortization of deferred policy acquisition costs |  |  |  |  |  |  |  |  |  | 55,835 |  | 49,005 |  | 49,142 |
Other operating expenses |  |  |  |  |  |  |  |  |  | 21,905 |  | 20,912 |  | 22,337 |
Net premiums written |  |  |  |  |  |  |  |  |  | 237,761 |  | 229,326 |  | 215,131 |
Investments Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred policy acquisition costs |  | 0 |  |  |  | 0 |  |  |  | 0 |  | 0 |  | 0 |
Reserve for loss and loss expenses |  | 0 |  |  |  | 0 |  |  |  | 0 |  | 0 |  | 0 |
Unearned premiums |  | $ 0 |  |  |  | $ 0 |  |  |  | 0 |  | 0 |  | 0 |
Net premiums earned |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Net investment income | [1] |  |  |  |  |  |  |  |  | 236,965 |  | 140,413 |  | 168,241 |
Loss and loss expense incurred |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Amortization of deferred policy acquisition costs |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Other operating expenses |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Net premiums written |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Miscellaneous Income [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other income |  |  |  |  |  |  |  |  |  | $ 12,355 |  | $ 9,438 |  | $ 10,716 |
[1] | Includes “Net investment income earned” and “Total net realized and unrealized gains (losses)” on the Consolidated Statements of Income.
[2] | “Other operating expenses” of $345,714 reconciles to the Consolidated Statements of Income
[3] | “Other operating expenses” of $321,880 reconciles to the Consolidated Statements of Income
[4] | “Other operating expenses” of $322,381 reconciles to the Consolidated Statements of Income

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