Loans and Leases - Outstanding Principal Balance (Details) - USD ($) $ in Thousands |
Mar. 31, 2018 |
Dec. 31, 2017 |
---|---|---|
Total Acquired Loans | ||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
Outstanding principal balance | $ 3,820 | $ 3,604 |
Carrying amount | 3,687 | 3,471 |
VIST Financial Corp. (VIST Financial) | Acquired Credit Impaired Loans | ||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
Outstanding principal balance | 14,013 | 14,337 |
Carrying amount | 11,774 | 11,962 |
VIST Financial Corp. (VIST Financial) | Acquired Non-Credit Impaired Loans | ||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
Outstanding principal balance | 287,337 | 301,128 |
Carrying amount | 284,991 | 298,615 |
VIST Financial Corp. (VIST Financial) | Total Acquired Loans | ||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
Outstanding principal balance | 301,350 | 315,465 |
Carrying amount | $ 296,765 | $ 310,577 |