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Portfolio loans - Summary of TDR loans (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
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Restructured loans |  |
Total loans | $ 5,978 | $ 5,707
In compliance with modified terms |  |
Restructured loans |  |
Total loans | 4,191 | 5,005
30-89 days past due |  |
Restructured loans |  |
Total loans | 125 |
Included in non-performing loans |  |
Restructured loans |  |
Total loans | $ 1,662 | $ 702

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