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
Expiration date	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
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
Total reinsurance coverage per occurrence	3,750,000	3,750,000	3,750,000
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	0	$ 5,000,000	$ 5,000,000
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