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Portfolio loans - Analysis of loans past due and still accruing or non-accrual status (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Loans past due |  |
90+Days | $ 279 | $ 1,611
Non-accrual Loans | 23,898 | 27,896
30 to 59 Days |  |
Loans past due |  |
Loans past due, still accruing | 4,831 | 8,820
60 to 89 Days |  |
Loans past due |  |
Loans past due, still accruing | 1,877 | 5,451
Commercial |  |
Loans past due |  |
90+Days |  | 199
Non-accrual Loans | 7,912 | 9,096
Commercial | 30 to 59 Days |  |
Loans past due |  |
Loans past due, still accruing | 53 | 1,075
Commercial | 60 to 89 Days |  |
Loans past due |  |
Loans past due, still accruing |  | 1,014
Commercial real estate |  |
Loans past due |  |
90+Days |  | 584
Non-accrual Loans | 7,139 | 9,178
Commercial real estate | 30 to 59 Days |  |
Loans past due |  |
Loans past due, still accruing | 74 | 2,653
Commercial real estate | 60 to 89 Days |  |
Loans past due |  |
Loans past due, still accruing | 294 | 3,121
Real estate construction |  |
Loans past due |  |
Non-accrual Loans | 259 | 630
Real estate construction | 30 to 59 Days |  |
Loans past due |  |
Loans past due, still accruing |  | 19
Retail Real Estate |  |
Loans past due |  |
90+Days | 262 | 828
Non-accrual Loans | 8,498 | 8,935
Retail Real Estate | 30 to 59 Days |  |
Loans past due |  |
Loans past due, still accruing | 4,606 | 5,021
Retail Real Estate | 60 to 89 Days |  |
Loans past due |  |
Loans past due, still accruing | 1,558 | 1,248
Retail Other |  |
Loans past due |  |
90+Days | 17 |
Non-accrual Loans | 90 | 57
Retail Other | 30 to 59 Days |  |
Loans past due |  |
Loans past due, still accruing | 98 | 52
Retail Other | 60 to 89 Days |  |
Loans past due |  |
Loans past due, still accruing | $ 25 | $ 68

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