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Loans and allowance for loan losses (Details 3) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
With no related allowance recorded: |  |
Recorded Investment | $ 5,833 | $ 5,571
Unpaid Principal Balance | 6,533 | 6,404
Average Recorded Investment | 5,702 | 6,984
With an allowance recorded: |  |
Recorded Investment | 317 | 178
Unpaid Principal Balance | 346 | 191
Related Allowance | 121 | 50
Average Recorded Investment | 248 | 667
Total: |  |
Recorded Investment | 6,150 | 5,749
Unpaid Principal Balance | 6,879 | 6,595
Related Allowance | 121 | 50
Average Recorded Investment | 5,950 | 7,651
Commercial real estate | Construction |  |
With no related allowance recorded: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Average Recorded Investment | 0 | 563
With an allowance recorded: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 0
Total: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 563
Commercial real estate | Non-residential |  |
With no related allowance recorded: |  |
Recorded Investment | 2,054 | 2,507
Unpaid Principal Balance | 2,094 | 2,601
Average Recorded Investment | 2,281 | 3,023
With an allowance recorded: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 451
Total: |  |
Recorded Investment | 2,054 | 2,507
Unpaid Principal Balance | 2,094 | 2,601
Related Allowance | 0 | 0
Average Recorded Investment | 2,281 | 3,474
Commercial real estate | Multifamily |  |
With no related allowance recorded: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Average Recorded Investment | 0 | 0
With an allowance recorded: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 0
Total: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 0
Residential real estate |  |
With no related allowance recorded: |  |
Recorded Investment | 2,696 | 2,285
Unpaid Principal Balance | 3,162 | 2,841
Average Recorded Investment | 2,490 | 2,235
With an allowance recorded: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 0
Total: |  |
Recorded Investment | 2,696 | 2,285
Unpaid Principal Balance | 3,162 | 2,841
Related Allowance | 0 | 0
Average Recorded Investment | 2,490 | 2,235
Commercial and industrial |  |
With no related allowance recorded: |  |
Recorded Investment | 266 | 297
Unpaid Principal Balance | 401 | 421
Average Recorded Investment | 282 | 758
With an allowance recorded: |  |
Recorded Investment | 40 | 0
Unpaid Principal Balance | 40 | 0
Related Allowance | 40 | 0
Average Recorded Investment | 20 | 9
Total: |  |
Recorded Investment | 306 | 297
Unpaid Principal Balance | 441 | 421
Related Allowance | 40 | 0
Average Recorded Investment | 302 | 767
Consumer | Indirect automobile |  |
With no related allowance recorded: |  |
Recorded Investment | 353 | 274
Unpaid Principal Balance | 395 | 320
Average Recorded Investment | 313 | 242
With an allowance recorded: |  |
Recorded Investment | 237 | 178
Unpaid Principal Balance | 265 | 191
Related Allowance | 69 | 50
Average Recorded Investment | 208 | 205
Total: |  |
Recorded Investment | 590 | 452
Unpaid Principal Balance | 660 | 511
Related Allowance | 69 | 50
Average Recorded Investment | 521 | 447
Consumer | Home equity |  |
With no related allowance recorded: |  |
Recorded Investment | 464 | 198
Unpaid Principal Balance | 481 | 211
Average Recorded Investment | 331 | 158
With an allowance recorded: |  |
Recorded Investment | 0 | 0
Unpaid Principal Balance | 0 | 0
Related Allowance | 0 | 0
Average Recorded Investment | 0 | 0
Total: |  |
Recorded Investment | 464 | 198
Unpaid Principal Balance | 481 | 211
Related Allowance | 0 | 0
Average Recorded Investment | 331 | 158
Consumer | Other consumer |  |
With no related allowance recorded: |  |
Recorded Investment | 0 | 10
Unpaid Principal Balance | 0 | 10
Average Recorded Investment | 5 | 5
With an allowance recorded: |  |
Recorded Investment | 40 | 0
Unpaid Principal Balance | 41 | 0
Related Allowance | 12 | 0
Average Recorded Investment | 20 | 2
Total: |  |
Recorded Investment | 40 | 10
Unpaid Principal Balance | 41 | 10
Related Allowance | 12 | 0
Average Recorded Investment | $ 25 | $ 7

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