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Loans, Allowance for Loan Losses and Credit Quality (Post-Modification balance of TDRs Listed by Type of Modifications) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Post modification balance of Troubled Debt Restructuring |  |  |  |
EXTENDED MATURITY | $ 2,872 | $ 1,189 | $ 4,079 | $ 2,382
Financing Receivable Modifications Post Modification Recorded Investment Adjusted Interest Rate | 0 | 92 | 0 | 92
COMBINATION RATE & MATURITY | 0 | 22 | 0 | 260
COURT ORDERED CONCESSION | 1,252 | 866 | 1,342 | 866
TOTAL | $ 4,124 | $ 2,169 | $ 5,421 | $ 3,600

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