Concentration of Risks (Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
[CrusaderInsuranceCompany]
Commercial multi-peril premium_percent of total	99.00%	98.00%
Premium written in California_percent of total	99.70%	99.50%
[HealthInsuranceProgramCommissionIncome]
Guardian Life Ins Co of America, percent of total	42.00%	40.00%
Blue Shield Care Trust, percent of total	45.00%	41.00%
Comission income from health insurance program	$ 1,047,593	$ 959,810