Commitments and Contingencies - Contingencies and Litigation (Details)	12 Months Ended
	Sep. 30, 2015 USD ($)
Commitments and Contingencies [Abstract]
Loss Contingency, Settlement Agreement, Consideration	$ 300,000
Loss Contingency, Loss in Period	1,500,000
Excess segregated funds returned	15,500,000
Excess segregated funds invested	21,900,000
Pre and Post Transfers of Funds - Sentinel	15,500,000
Post Transfers of Funds - Sentinel	$ 14,500,000