Segment Information Selected Financial Information By Segment (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			1
Insurance And Other Services Revenue	$ 51,592	$ 39,486	$ 94,746	$ 72,306
Investment income	9,603	3,261	(3,238)	9,597
Net realized gain (loss) on investments	553	(14)	141	776
Total Revenues	61,748	42,733	91,649	82,679
Operating expenses	43,826	35,813	82,256	67,446
Income (loss) before income taxes	17,922	6,920	9,393	15,233
Total assets	279,908	256,494	279,908	256,494	$ 263,893
Title Insurance
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	51,158	38,601	93,011	69,920
Investment income	8,358	2,471	(3,102)	7,901
Net realized gain (loss) on investments	527	(8)	590	756
Total Revenues	60,043	41,064	90,499	78,577
Operating expenses	43,074	35,139	80,517	65,591
Income (loss) before income taxes	16,969	5,925	9,982	12,986
Total assets	204,523	187,754	204,523	187,754
All Other
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	2,168	2,831	4,973	5,522
Investment income	1,245	790	(136)	1,696
Net realized gain (loss) on investments	26	(6)	(449)	20
Total Revenues	3,439	3,615	4,388	7,238
Operating expenses	2,340	2,485	4,685	4,722
Income (loss) before income taxes	1,099	1,130	(297)	2,516
Total assets	75,385	68,740	75,385	68,740
Intersegment Eliminations
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	(1,734)	(1,946)	(3,238)	(3,136)
Investment income	0	0	0	0
Net realized gain (loss) on investments	0	0	0	0
Total Revenues	(1,734)	(1,946)	(3,238)	(3,136)
Operating expenses	(1,588)	(1,811)	(2,946)	(2,867)
Income (loss) before income taxes	(146)	(135)	(292)	(269)
Total assets	$ 0	$ 0	$ 0	$ 0