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Post-modification balance of TDRs Listed by type of Modification (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Loans, Allowance for Loan Losses and Credit Quality [Abstract] |  |  |
Extended maturity | $ 2,878 | $ 5,881 | $ 5,044
Adjusted interest rate | 57 | 0 | 92
Combination rate and maturity | 38,812 | 568 | 1,035
Court ordered concession | 710 | 1,726 | 1,534
Total | $ 42,457 | $ 8,175 | $ 7,705

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