Going Concern Considerations and Managements Plans - Brokered Deposit Maturities (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
September 30, 2013	$ 17,516
September 30, 2014	8,491
September 30, 2015	7,428
September 30, 2016	2,604
Brokered Deposit	$ 36,039