Segment Information Selected Financial Information By Segment (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	1
Insurance And Other Services Revenue	$ 133,039,489	$ 122,784,916	$ 118,591,491
Investment income – interest and dividends	4,684,489	4,531,319	4,259,501
Net realized gain (loss) on investments	768,436	(116,163)	268,294
Total Revenues	138,492,414	127,200,072	123,119,286
Operating expenses	110,360,962	109,423,019	109,630,788
Income (loss) before income taxes	28,131,452	17,777,053	13,488,498
Total assets	228,938,122	211,522,029	198,039,210
Title Insurance
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	128,408,746	118,144,981	114,279,532
Investment income – interest and dividends	4,329,605	4,073,857	3,835,209
Net realized gain (loss) on investments	644,850	(13,603)	213,709
Total Revenues	133,383,201	122,205,235	118,328,450
Operating expenses	105,885,770	104,594,829	105,290,627
Income (loss) before income taxes	27,497,431	17,610,406	13,037,823
Total assets	183,763,655	163,582,898	153,072,950
All Other
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	6,808,392	6,479,484	5,904,059
Investment income – interest and dividends	564,891	574,132	517,628
Net realized gain (loss) on investments	123,586	(102,560)	54,585
Total Revenues	7,496,869	6,951,056	6,476,272
Operating expenses	6,583,157	6,598,055	5,862,577
Income (loss) before income taxes	913,712	353,001	613,695
Total assets	45,174,467	47,939,131	44,966,260
Intersegment Eliminations
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	(2,177,649)	(1,839,549)	(1,592,100)
Investment income – interest and dividends	(210,007)	(116,670)	(93,336)
Net realized gain (loss) on investments	0	0	0
Total Revenues	(2,387,656)	(1,956,219)	(1,685,436)
Operating expenses	(2,107,965)	(1,769,865)	(1,522,416)
Income (loss) before income taxes	(279,691)	(186,354)	(163,020)
Total assets	$ 0	$ 0	$ 0