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REGULATORY MATTERS - Additional Information (Detail)
Sep. 30, 2012
Jun. 30, 2012
Rate And Regulatory Matters [Line Items]    
Tangible capital to adjusted total assets ratio 1.50% 1.50%
Core (Tier 1) capital to adjusted total assets ratio 4.00% 4.00%
Core (Tier 1) capital to risk- weighted assets ratio 4.00% 4.00%
Total capital to risk-weighted assets ratio 8.00% 8.00%