6. Property and Casualty Insurance Activity (Details 5) - USD ($)	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Personal Lines [Member]
Percent ceded	0.00%	10.00%	20.00%
Risk retained	$ 1,000,000	$ 900,000	$ 800,000
Losses per occurrence subject to quota share reinsurance coverage	0	1,000,000	1,000,000
Excess of loss coverage above quota share coverage	10,000,000	9,000,000	9,000,000
In excess of	0	1,000,000	1,000,000
Total reinsurance coverage per occurrence	9,000,000	9,100,000	9,200,000
Losses per occurrence subject to reinsurance coverage	$ 10,000,000	$ 10,000,000	$ 10,000,000
Expiration date	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2019
Personal Umbrella [Member]
Percent ceded - first million dollars of coverage	90.00%	90.00%	90.00%
Percent ceded - excess of one million dollars of coverage	100.00%	100.00%	100.00%
Risk retained	$ 100,000	$ 100,000	$ 100,000
Total reinsurance coverage per occurrence	4,900,000	4,900,000	4,900,000
Losses per occurrence subject to reinsurance coverage	5,000,000	5,000,000	5,000,000
Commercial Lines [Member]
Risk retained	750,000	750,000	750,000
Excess of loss coverage above quota share coverage	3,750,000	3,750,000	3,750,000
In excess of	750,000	750,000	750,000
Losses per occurrence subject to reinsurance coverage	$ 4,500,000	$ 4,500,000	$ 4,500,000
Commercial Umbrella [Member]
Percent ceded - first million dollars of coverage	0.00%	90.00%	90.00%
Percent ceded - excess of one million dollars of coverage	0.00%	100.00%	100.00%
Risk retained	$ 0	$ 100,000	$ 100,000
Total reinsurance coverage per occurrence	0	4,900,000	4,900,000
Losses per occurrence subject to reinsurance coverage	0	$ 5,000,000	$ 5,000,000
Expiration date		Jun. 30, 2019	Jun. 30, 2018
Catastrophe [Member]
Initial loss subject to personal lines quota share treaty	5,000,000	$ 5,000,000	$ 0
Risk retained per catastrophe occurrence	7,500,000	4,500,000	4,000,000
Catastrophe loss coverage in excess of quota share coverage	$ 602,500,000	$ 445,000,000	$ 315,000,000
Reinstatement premium protection	Yes	Yes	Yes