6. Property and Casualty Insurance Activity (Details 2) (USD $)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Personal Lines [Member]
Percent ceded	55.00%	75.00%	75.00%
Risk retained	$ 360,000	$ 300,000	$ 250,000
Coverage per occurrence	800,000	1,200,000	1,000,000
Excess of loss coverage in excess of risk retained	3,200,000 in excess of 800,000	1,700,000 in excess of 1,200,000	1,900,000 in excess of 1,000,000
Total reinsurance coverage per occurrence	3,640,000	2,600,000	2,650,000
Losses per occurrence subject to reinsurance coverage	4,000,000	2,900,000	2,900,000
Expiration date	Jun. 30, 2015	Jun. 30, 2015	Jun. 30, 2013
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%
Losses per occurrence subject to reinsurance coverage	2,900,000	1,900,000	1,900,000
Losses per occurrence subject to quota share reinsurance coverage	3,000,000	2,000,000	2,000,000
Expiration date	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Commercial Lines [Member]
Percent ceded	0.00%	25.00%	40.00%
Risk retained	400,000	300,000	300,000
Excess of loss coverage in excess of risk retained	0	400,000	500,000
Excess of loss coverage in excess of quota share coverage	$3,600,000	$2,500,000	$2,400,000
Per occurrence loss limit	400,000	400,000	500,000
Total reinsurance coverage per occurrence	3,600,000	2,600,000	2,600,000
Losses per occurrence subject to reinsurance coverage	4,000,000	2,900,000	2,900,000
Commercial Auto [Member]
Excess of loss coverage in excess of risk retained	$1,700,000	$1,700,000	$1,750,000
Catastrophe [Member]
Initial loss subject to personal lines quota share treaty	4,000,000	4,000,000	3,000,000
Risk retained per catastrophe occurrence	1,800,000	1,000,000	750,000
Catastrophe loss coverage in excess of quota share coverage Winter storm catastrophe coverage (1)	$ 137,000,000	$ 86,000,000	$ 70,000,000