Segment Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Information [Abstract]

Summary of segment revenues

The following table summarizes segment revenues for the years ended December 31:

	2017		2016		2015
Revenues:
Net premiums earned	$	328,145	$	276,011	$	263,335
Net investment income		18,095		14,483		12,498
Commissions and other income		5,308		5,275		5,703
Net realized gains (losses) on investments		19,686		23,228		(1,261	)
Total revenues	$	371,234	$	318,997	$	280,275