Quarterly Financial Information

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]



	First Quarter					Second Quarter			Third Quarter			Fourth Quarter¹
(unaudited, $ in thousands, except per share data)	2018			2017		2018		2017	2018		2017	2018		2017
Net premiums earned	$	591,828		560,854		604,836		568,030	614,277		572,055	625,288		590,088
Net investment income earned	43,231			37,419		45,553		41,430	52,443		40,446	54,109		42,587
Net realized and unrealized (losses) gains²	(10,549		)	(1,045	)	(1,652	)	1,734	(4,787	)	6,798	(37,935	)	(1,128	)
Other income	2,179			3,241		3,179		3,291	2,538		1,994	1,542		2,190
Total revenues	626,689			600,469		651,916		614,485	664,471		621,293	643,004		633,737
Income before federal income taxes	19,931			67,574		72,525		58,929	67,130		67,315	52,135		68,150
Net income	18,925			50,440		58,819		41,426	55,435		46,718	45,760		30,242
Net income per share:
Basic	0.32			0.87		1.00		0.71	0.94		0.80	0.77		0.52
Diluted	0.32			0.85		0.99		0.70	0.93		0.79	0.76		0.51

¹Results 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.

²Effective January 1, 2018, changes in unrealized gains and losses on our equity portfolio are recognized in income through "Net unrealized losses on equity securities" on our Consolidated Statements of Income, as a result of our adoption of ASU 2016-01. See Note 3. "Adoption of Accounting Pronouncements" above.

The addition of all quarters may not agree to annual amounts on the Financial Statements due to rounding.