Segment Information Selected Financial Information By Segment (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) segment	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	1
Insurance And Other Services Revenue	$ 32,820	$ 32,878
Investment income	6,336	745
Net realized gain (loss) on investments	790	153
Total Revenues	39,946	33,776
Operating expenses	31,633	28,551
Income (loss) before income taxes	8,313	5,225
Total assets	252,990	244,681	$ 244,268
Title Insurance
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	31,319	32,421
Investment income	5,430	614
Net realized gain (loss) on investments	764	143
Total Revenues	37,513	33,178
Operating expenses	30,452	27,792
Income (loss) before income taxes	7,061	5,386
Total assets	200,187	191,396
All Other
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	2,691	1,890
Investment income	906	131
Net realized gain (loss) on investments	26	10
Total Revenues	3,623	2,031
Operating expenses	2,237	2,058
Income (loss) before income taxes	1,386	(27)
Total assets	52,803	53,285
Intersegment Eliminations
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	(1,190)	(1,433)
Investment income	0	0
Net realized gain (loss) on investments	0	0
Total Revenues	(1,190)	(1,433)
Operating expenses	(1,056)	(1,299)
Income (loss) before income taxes	(134)	(134)
Total assets	$ 0	$ 0