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Loans and Leases (Details 1) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Total Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | $ 6,308 | $ 7,388
Carrying amount | 5,625 | 7,050
VIST Financial Corp. (VIST Financial) | Acquired Credit Impaired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | 26,237 | 32,752
Carrying amount | 22,517 | 26,507
VIST Financial Corp. (VIST Financial) | Acquired Non-Credit Impaired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | 375,471 | 439,389
Carrying amount | 371,594 | 434,767
VIST Financial Corp. (VIST Financial) | Total Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | 401,708 | 472,141
Carrying amount | $ 394,111 | $ 461,274

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