Reserves For Claims Summary Of The Company's Loss Reserves (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]
Known title claims	$ 4,554,599	$ 4,405,343
IBNR	30,890,401	30,899,657
Total loss reserves	$ 35,445,000	$ 35,305,000	$ 37,788,000
% of Known title claims	12.80%	12.50%
% of IBNR	87.20%	87.50%
% of Total loss reserves	100.00%	100.00%