Significant Accounting Policies and Practices and Recent Accounting Pronouncements - Benefit Expense and Other Changes in Policy Reserves (Details)	12 Months Ended
	Sep. 30, 2014
Minimum
Schedule of Benefits and Other Changes in Policy Reserves [Line Items]
Interest crediting rate, policyholder liabilities	0.00%
Maximum
Schedule of Benefits and Other Changes in Policy Reserves [Line Items]
Interest crediting rate, policyholder liabilities	6.00%
Indexed Universal Life [Member] | Minimum
Schedule of Benefits and Other Changes in Policy Reserves [Line Items]
Interest crediting rate, policyholder liabilities	0.00%
Indexed Universal Life [Member] | Maximum
Schedule of Benefits and Other Changes in Policy Reserves [Line Items]
Interest crediting rate, policyholder liabilities	6.00%