Loans and Leases (Details 1) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Acquired Loans and Leases [Member] | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Outstanding principal balance | $ 5,771 | $ 7,388 |
| Carrying amount | 5,387 | 7,050 |
| VIST Financial Corp. ("VIST Financial") [Member] | Acquired Credit Impaired Loans [Member] | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Outstanding principal balance | 28,560 | 32,752 |
| Carrying amount | 24,358 | 26,507 |
| VIST Financial Corp. ("VIST Financial") [Member] | Acquired Non Credit Impaired Loans [Member] | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Outstanding principal balance | 396,314 | 439,389 |
| Carrying amount | 392,650 | 434,767 |
| VIST Financial Corp. ("VIST Financial") [Member] | Acquired Loans and Leases [Member] | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Outstanding principal balance | 424,874 | 472,141 |
| Carrying amount | $ 417,008 | $ 461,274 |