Summary of Significant Accounting Policies - Additional Information (Detail) |
9 Months Ended |
|---|---|
|
Sep. 30, 2015
Office
| |
| Perry County [Member] | |
| Summary Of Significant Accounting Policies [Line Items] | |
| Number of offices | 2 |
| Cumberland County [Member] | |
| Summary Of Significant Accounting Policies [Line Items] | |
| Number of offices | 1 |
| Schuylkill County [Member] | |
| Summary Of Significant Accounting Policies [Line Items] | |
| Number of offices | 6 |
| Dauphin County [Member] | |
| Summary Of Significant Accounting Policies [Line Items] | |
| Number of offices | 3 |
| Number of offices | 1 |