Reserves For Claims Summary Of Transactions In Reserves For Claims (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Liability for Title Claims and Claims Adjustment Expense	$ 35,445,000	$ 35,305,000	$ 37,788,000
Provision, charged to operations	719,397	242,953
Payments of claims, net of recoveries	$ (579,397)	$ (2,725,953)