XML 29 R46.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies - Other Narrative (Details) (USD $)
 12 Months Ended
Sep. 30, 2014
payment
part
segment
office
Sep. 30, 2013
Sep. 30, 2012
Summary of Significant Accounting Policies [Line Items]      
Number of offices (in offices) 251    
Days past grace period to initiate contact to cure deficiency 30 days    
Minimum days past due to begin foreclosure proceedings 90 days    
Approximate rate reduction concession, minimum 1.00%    
Approximate rate reduction concession, maximum 2.00%    
Minimum days past due to stop accrual of interest 90 days    
Loans returned to full accrual status 90 days    
Minimum performance period before move to accrual status 6 months    
Number of payments required 6    
Number of parts in loss percentage factor 2    
Options outstanding that are not dilutive 90,846 435,825 934,880
Number of reportable business segments 1    
Minimum
      
Summary of Significant Accounting Policies [Line Items]      
Term for payment and rate reduction 6 months    
Maximum
      
Summary of Significant Accounting Policies [Line Items]      
Term for payment and rate reduction 12 months    
Interest rate swap agreements
      
Summary of Significant Accounting Policies [Line Items]      
Impact to the statement of operations $ 0    
Accounting Standards Update 2014-01
      
Summary of Significant Accounting Policies [Line Items]      
Tax credit from affordable housing program 3,000,000    
Net investment in affordable housing program 42,000,000    
Income tax expense from affordable housing program 4,000,000    
Contingent commitments for affordable housing program $ 35,000,000