XML 49 R39.htm IDEA: XBRL DOCUMENT v3.8.0.1
Credit Quality and Allowance for Loan Losses - Summary of Information Pertaining to Loans Modified (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2017
USD ($)
Contract
Sep. 30, 2016
USD ($)
Contract
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | Contract 11 32
Pre-modification Outstanding Recorded Investment $ 2,236 $ 7,162
Post-modification Outstanding Recorded Investment $ 1,934 $ 6,420
One- to Four-Family First Mortgage [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | Contract 5 7
Pre-modification Outstanding Recorded Investment $ 268 $ 1,098
Post-modification Outstanding Recorded Investment $ 263 $ 648
Home Equity Loans and Lines [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | Contract 2 3
Pre-modification Outstanding Recorded Investment $ 38 $ 939
Post-modification Outstanding Recorded Investment $ 37 $ 930
Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | Contract 1 4
Pre-modification Outstanding Recorded Investment $ 431 $ 1,006
Post-modification Outstanding Recorded Investment $ 431 $ 893
Construction and Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | Contract   1
Pre-modification Outstanding Recorded Investment   $ 351
Post-modification Outstanding Recorded Investment   $ 211
Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | Contract 1 16
Pre-modification Outstanding Recorded Investment $ 1,439 $ 3,717
Post-modification Outstanding Recorded Investment $ 1,146 $ 3,698
Consumer [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | Contract 2 1
Pre-modification Outstanding Recorded Investment $ 60 $ 51
Post-modification Outstanding Recorded Investment $ 57 $ 40