Segment Information - Selected Financial Data by Business Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Selected financial data by business segment
Revenues:	$ 59,578	$ 59,568	$ 181,360	$ 172,980
Income (loss) before income taxes:	2,096	3,378	6,467	(9,220)
Total assets:	275,494		275,494		262,303
Insurance [Member]
Selected financial data by business segment
Revenues:	59,564	59,550	181,323	172,900
Income (loss) before income taxes:	2,802	4,266	8,613	(5,537)
Total assets:	266,129		266,129		256,670
Real Estate and Corporate [Member]
Selected financial data by business segment
Revenues:	14	18	37	80
Income (loss) before income taxes:	(706)	(888)	(2,146)	(3,683)
Total assets:	$ 9,365		$ 9,365		$ 5,633