XML 64 R51.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Quarterly Financial Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information |
(unaudited, $ in thousands, |  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
except per share data) |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 1 |  | 2016
Net premiums earned |  | $ | 560,854 |  |  | 522,458 |  |  | 568,030 |  |  | 531,932 |  |  | 572,055 |  |  | 542,429 |  |  | 590,088 |  |  | 552,753 |
Net investment income earned |  | 37,419 |  |  | 30,769 |  |  | 41,430 |  |  | 31,182 |  |  | 40,446 |  |  | 33,375 |  |  | 42,587 |  |  | 35,428 |
Net realized (losses) gains |  | (1,045 | ) |  | (2,704 | ) |  | 1,734 |  |  | 1,765 |  |  | 6,798 |  |  | 3,688 |  |  | (1,128 | ) |  | (7,686 | )
Other income |  | 3,241 |  |  | 951 |  |  | 3,291 |  |  | 3,868 |  |  | 1,994 |  |  | 2,199 |  |  | 2,190 |  |  | 1,863 |
Total revenues |  | 600,469 |  |  | 551,474 |  |  | 614,485 |  |  | 568,747 |  |  | 621,293 |  |  | 581,691 |  |  | 633,737 |  |  | 582,358 |
Income before federal income taxes |  | 67,574 |  |  | 51,875 |  |  | 58,929 |  |  | 62,311 |  |  | 67,315 |  |  | 55,443 |  |  | 68,150 |  |  | 50,326 |
Net income |  | 50,440 |  |  | 37,032 |  |  | 41,426 |  |  | 43,601 |  |  | 46,718 |  |  | 38,502 |  |  | 30,242 |  |  | 39,360 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | 0.87 |  |  | 0.64 |  |  | 0.71 |  |  | 0.75 |  |  | 0.80 |  |  | 0.66 |  |  | 0.52 |  |  | 0.68 |
Diluted |  | 0.85 |  |  | 0.63 |  |  | 0.70 |  |  | 0.74 |  |  | 0.79 |  |  | 0.66 |  |  | 0.51 |  |  | 0.67 |
1 Results for the fourth quarter of 2017 include the impact of the $20.2 million write off of deferred tax assets required with the implementation of Tax Reform. See Note 13. "Federal Income Taxes" above for additional information. The addition of all quarters may not agree to annual amounts on the Financial Statements due to rounding.

X
- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
Name: | us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration