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Regulatory Capital Requirements (Narrative) (Detail) (USD $)
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]    
Maintain minimum net capital $ 1,000,000  
Maintain net capital percentage of aggregate debit balance 2.00%  
Required minimum net capital after equity capital withdrawal 5.00%  
Maintenance of minimum net capital $ 250,000  
Proportion of aggregate indebtedness 0.066666667  
Tier I risk-based capital ratio in order to be well-capitalized 6.00% 6.00%
Tier I (core) capital ratio required in order to be well-capitalized 5.00% 5.00%
Risk-based capital ratio required in order to be well-capitalized 10.00% 10.00%
Committment In Connection With Termination Of Order To Cease And Desist [Member]
   
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]    
Tier I (core) capital ratio required in order to be well-capitalized 9.00%  
Risk-based capital ratio required in order to be well-capitalized 12.00%