Segment Information Selected Financial Information By Segment (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			1
Insurance And Other Services Revenue	$ 61,498	$ 45,246	$ 156,244	$ 117,552
Investment income	5,949	2,270	2,711	11,867
Net realized gain (loss) on investments	186	423	327	1,199
Total Revenues	67,633	47,939	159,282	130,618
Operating expenses	48,776	37,920	131,032	105,366
Income (loss) before income taxes	18,857	10,019	28,250	25,252
Total assets	289,745	266,114	289,745	266,114	$ 263,893
Title Insurance
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	61,809	44,079	154,820	113,999
Investment income	5,627	1,879	2,525	9,780
Net realized gain (loss) on investments	(263)	346	327	1,102
Total Revenues	67,173	46,304	157,672	124,881
Operating expenses	49,260	37,201	129,777	102,792
Income (loss) before income taxes	17,913	9,103	27,895	22,089
Total assets	213,152	191,436	213,152	191,436
All Other
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	2,176	2,851	7,149	8,373
Investment income	322	391	186	2,087
Net realized gain (loss) on investments	449	77	0	97
Total Revenues	2,947	3,319	7,335	10,557
Operating expenses	1,858	2,269	6,543	6,991
Income (loss) before income taxes	1,089	1,050	792	3,566
Total assets	76,593	74,678	76,593	74,678
Intersegment Eliminations
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	(2,487)	(1,684)	(5,725)	(4,820)
Investment income	0	0	0	0
Net realized gain (loss) on investments	0	0	0	0
Total Revenues	(2,487)	(1,684)	(5,725)	(4,820)
Operating expenses	(2,342)	(1,550)	(5,288)	(4,417)
Income (loss) before income taxes	(145)	(134)	(437)	(403)
Total assets	$ 0	$ 0	$ 0	$ 0