Segment Information Selected Financial Information By Segment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment		1
Insurance and other services revenues	$ 163,916	$ 152,773	$ 153,982
Investment income	18,246	3,596	6,604
Net realized gain (loss) on investments	1,340	(110)	1,041
Total Revenues	183,502	156,259	161,627
Operating expenses	143,679	129,190	131,356
Income before income taxes	39,823	27,069	30,271
Total assets	263,893	244,268	248,913
Title Insurance
Segment Reporting Information [Line Items]
Insurance and other services revenues	161,463	153,687	153,469
Investment income	15,210	2,542	5,834
Net realized gain (loss) on investments	1,251	(167)	932
Total Revenues	177,924	156,062	160,235
Operating expenses	140,376	126,367	129,073
Income before income taxes	37,548	29,695	31,162
Total assets	196,825	199,531	193,828
All Other
Segment Reporting Information [Line Items]
Insurance and other services revenues	11,157	8,315	7,307
Investment income	3,036	1,054	770
Net realized gain (loss) on investments	89	57	109
Total Revenues	14,282	9,426	8,186
Operating expenses	9,137	8,424	7,913
Income before income taxes	5,145	1,002	273
Total assets	67,068	44,737	55,085
Intersegment Eliminations
Segment Reporting Information [Line Items]
Insurance and other services revenues	(8,704)	(9,229)	(6,794)
Investment income	0	0	0
Net realized gain (loss) on investments	0	0	0
Total Revenues	(8,704)	(9,229)	(6,794)
Operating expenses	(5,834)	(5,601)	(5,630)
Income before income taxes	(2,870)	(3,628)	(1,164)
Total assets	$ 0	$ 0	$ 0