Reserves for Claims Summary Of Transactions In Reserves For Claims (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Balance, beginning of period	$ 37,788,000	$ 36,677,000	$ 35,360,000
Provisions related to: Current year	6,673,036	7,295,013	6,860,335
Provisions related to: Prior years	(6,430,083)	(2,816,519)	(1,630,619)
Total provision charged to operations	242,953	4,478,494	5,229,716
Claims paid, net of recoveries, related to: Current year	(102,501)	(97,116)	(102,947)
Claims paid, net of recoveries, related to: Prior years	(2,623,452)	(3,270,378)	(3,809,769)
Total claims paid, net of recoveries	(2,725,953)	(3,367,494)	(3,912,716)
Balance, end of year	$ 35,305,000	$ 37,788,000	$ 36,677,000