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Portfolio loans - Summary of Restructured Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Restructured loans |  |
Total loans | $ 12,112 | $ 8,838
In compliance with modified terms |  |
Restructured loans |  |
Total loans | 8,288 | 8,319
30-89 days past due |  |
Restructured loans |  |
Total loans | 321 | 127
Included in non-performing loans |  |
Restructured loans |  |
Total loans | $ 3,503 | $ 392

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