Reinsurance (Details Textual)	3 Months Ended
	Jun. 30, 2018 USD ($)
Insurance [Abstract]
Insurance policies maximum coverage per claim	$ 300,000
Insurance policies coverage per claim ceded to reinsurers	175,000
Insurance policy risk of loss maintained per claim	125,000
Catastrophic losses recoverable in excess of amount	1,500,000
Aggregate catastrophic losses recoverable in excess of amount	$ 43,500,000