Segment Information Selected Financial Information By Segment (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) segment	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	1
Insurance And Other Services Revenue	$ 32,878	$ 36,364
Investment income	745	1,326
Net realized gain (loss) on investments	153	103
Total Revenues	33,776	37,793
Operating expenses	28,551	31,342
Income (loss) before income taxes	5,225	6,451
Total assets	244,681	233,212	$ 248,913
Title Insurance
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	32,421	35,764
Investment income	614	1,162
Net realized gain (loss) on investments	143	63
Total Revenues	33,178	36,989
Operating expenses	27,792	30,501
Income (loss) before income taxes	5,386	6,488
Total assets	191,396	184,770
All Other
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	1,890	1,652
Investment income	131	164
Net realized gain (loss) on investments	10	40
Total Revenues	2,031	1,856
Operating expenses	2,058	1,817
Income (loss) before income taxes	(27)	39
Total assets	53,285	48,442
Intersegment Eliminations
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	(1,433)	(1,052)
Investment income	0	0
Net realized gain (loss) on investments	0	0
Total Revenues	(1,433)	(1,052)
Operating expenses	(1,299)	(976)
Income (loss) before income taxes	(134)	(76)
Total assets	$ 0	$ 0