Past Due and Non-Accrual Loans (Detail) - USD ($)
$ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
$ 2,017
|
$ 3,318
|
| 90 days or more and accruing |
0
|
0
|
| Loans on Non-accrual |
1,756
|
3,631
|
| Indirect auto loans |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
404
|
613
|
| 90 days or more and accruing |
0
|
0
|
| Loans on Non-accrual |
7
|
15
|
| Mortgage Loan Portfolio Segment | Real Estate Loan | Residential one-to-four family |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
1,323
|
2,071
|
| 90 days or more and accruing |
0
|
0
|
| Loans on Non-accrual |
1,749
|
1,192
|
| Mortgage Loan Portfolio Segment | Real Estate Loan | Commercial real estate loans |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| 90 days or more and accruing |
|
0
|
| Loans on Non-accrual |
|
2,424
|
| Mortgage Loan Portfolio Segment | Home equity lines of credit | Commercial real estate loans |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
290
|
634
|
| 90 days or more and accruing |
0
|
0
|
| 30-59 Days |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
736
|
2,764
|
| 30-59 Days | Indirect auto loans |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
367
|
551
|
| 30-59 Days | Mortgage Loan Portfolio Segment | Real Estate Loan | Residential one-to-four family |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
79
|
1,579
|
| 30-59 Days | Mortgage Loan Portfolio Segment | Home equity lines of credit | Commercial real estate loans |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
290
|
634
|
| 60-89 Days |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
777
|
128
|
| 60-89 Days | Indirect auto loans |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
30
|
47
|
| 60-89 Days | Mortgage Loan Portfolio Segment | Real Estate Loan | Residential one-to-four family |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
747
|
81
|
| Loans 90 Days Or More Past Due |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
504
|
426
|
| Loans 90 Days Or More Past Due | Indirect auto loans |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
7
|
15
|
| Loans 90 Days Or More Past Due | Mortgage Loan Portfolio Segment | Real Estate Loan | Residential one-to-four family |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Days Past Due |
$ 497
|
$ 411
|