Summary of Significant Accounting and Reporting Policies (Fixed Income Securities Contractual Maturity) (Details) - Fixed Income Securities [Member]	Dec. 31, 2017 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Due within one year	$ 151,956,129
Due between one and five years	4,197,711
Due over five years	0
Total	$ 156,153,840