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LOAN PERFORMANCE - Restructured loans (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) loan | Dec. 31, 2016 USD ($) loan | Jan. 01, 2018 USD ($)
Restructured loans |  |  |
Number of loans | loan | 6 | 10 |
Pre-modification outstanding Recorded Investment | $ 2,148 | $ 17,349 |
Commitment to loan additional funds | 0 | 0 |
Recorded investment | $ 18,200 | 25,500 |
Restructured loans for which there was a payment default | loan | 0 |  |
Subsequent Event |  |  |
Restructured loans |  |  |
Commitment to loan additional funds |  |  | $ 7,500
Restructured Payments |  |  |
Restructured loans |  |  |
Post-modification recorded investment | $ 146 |  |
Extended Maturity |  |  |
Restructured loans |  |  |
Post-modification recorded investment | 667 | 16,669 |
Extended Maturity and Restructured Payments |  |  |
Restructured loans |  |  |
Post-modification recorded investment | $ 1,335 | $ 680 |
Commercial and industrial |  |  |
Restructured loans |  |  |
Number of loans | loan | 2 | 6 |
Pre-modification outstanding Recorded Investment | $ 1,178 | $ 5,616 |
Commercial and industrial | Extended Maturity |  |  |
Restructured loans |  |  |
Post-modification recorded investment |  | 4,936 |
Commercial and industrial | Extended Maturity and Restructured Payments |  |  |
Restructured loans |  |  |
Post-modification recorded investment | $ 1,178 | $ 680 |
Commercial real estate |  |  |
Restructured loans |  |  |
Number of loans | loan | 4 | 2 |
Pre-modification outstanding Recorded Investment | $ 970 | $ 3,520 |
Commercial real estate | Restructured Payments |  |  |
Restructured loans |  |  |
Post-modification recorded investment | 146 |  |
Commercial real estate | Extended Maturity |  |  |
Restructured loans |  |  |
Post-modification recorded investment | 667 | $ 3,520 |
Commercial real estate | Extended Maturity and Restructured Payments |  |  |
Restructured loans |  |  |
Post-modification recorded investment | $ 157 |  |
Other |  |  |
Restructured loans |  |  |
Number of loans | loan |  | 2 |
Pre-modification outstanding Recorded Investment |  | $ 8,213 |
Other | Extended Maturity |  |  |
Restructured loans |  |  |
Post-modification recorded investment |  | $ 8,213 |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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