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Loans and Leases (Details 1) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
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Total Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | $ 3,191 | $ 6,308
Carrying amount | 3,070 | 5,625
VIST Financial Corp. (VIST Financial) | Acquired Credit Impaired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | 21,525 | 26,237
Carrying amount | 16,597 | 22,517
VIST Financial Corp. (VIST Financial) | Acquired Non-Credit Impaired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | 333,608 | 375,471
Carrying amount | 331,244 | 371,594
VIST Financial Corp. (VIST Financial) | Total Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance | 355,133 | 401,708
Carrying amount | $ 347,841 | $ 394,111

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