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Loans, net and allowance for loan losses - Summarized Information in Concerning to Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Financing Receivable, Impaired |  |  |  |  |
Recorded Investment, With no related allowance, Total | $ 3,646 | $ 4,267 | $ 3,646 | $ 4,267 | $ 3,546
Unpaid Principal Balance, With no related allowance, Total | 4,976 | 5,652 | 4,976 | 5,652 | 4,822
Average Recorded Investment, With no related allowance, Total | 3,756 | 4,733 | 3,756 | 5,113 | 4,799
Interest Income Recognized, With no related allowance, Total | 18 | 11 | 54 | 43 | 54
Recorded Investment, With an allowance recorded, Total | 595 | 1,398 | 595 | 1,398 | 955
Unpaid Principal Balance, With an allowance recorded, Total | 599 | 1,434 | 599 | 1,434 | 985
Related Allowance, With an allowance recorded, Total | 41 | 166 | 41 | 166 | 175
Average Recorded Investment, With an allowance recorded, Total | 665 | 1,749 | 755 | 2,674 | 2,329
Interest Income Recognized, With an allowance recorded, Total | 10 | 12 | 24 | 39 | 50
Recorded Investment, Total | 4,241 | 5,665 | 4,241 | 5,665 | 4,501
Unpaid Principal Balance, Total | 5,575 | 7,086 | 5,575 | 7,086 | 5,807
Average Recorded Investment, Total | 4,421 | 6,482 | 4,511 | 7,787 | 7,128
Interest Income Recognized, Total | 28 | 23 | 78 | 82 | 104
Commercial |  |  |  |  |
Financing Receivable, Impaired |  |  |  |  |
Recorded Investment, With no related allowance, Total | 94 | 634 | 94 | 634 | 158
Unpaid Principal Balance, With no related allowance, Total | 425 | 1,097 | 425 | 1,097 | 481
Average Recorded Investment, With no related allowance, Total | 110 | 870 | 129 | 1,166 | 964
Interest Income Recognized, With no related allowance, Total | 3 | 2 | 7 | 9 | 13
Recorded Investment, With an allowance recorded, Total | 20 | 424 | 20 | 424 | 41
Unpaid Principal Balance, With an allowance recorded, Total | 20 | 424 | 20 | 424 | 41
Related Allowance, With an allowance recorded, Total | 19 | 18 | 19 | 18 | 40
Average Recorded Investment, With an allowance recorded, Total | 27 | 695 | 29 | 1,354 | 1,091
Interest Income Recognized, With an allowance recorded, Total |  | 5 |  | 15 | 15
Recorded Investment, Total | 114 | 1,058 | 114 | 1,058 | 199
Unpaid Principal Balance, Total | 445 | 1,521 | 445 | 1,521 | 522
Average Recorded Investment, Total | 137 | 1,565 | 158 | 2,520 | 2,055
Interest Income Recognized, Total | 3 | 7 | 7 | 24 | 28
Real estate Commercial |  |  |  |  |
Financing Receivable, Impaired |  |  |  |  |
Recorded Investment, With no related allowance, Total | 2,389 | 2,560 | 2,389 | 2,560 | 2,376
Unpaid Principal Balance, With no related allowance, Total | 3,193 | 3,275 | 3,193 | 3,275 | 3,120
Average Recorded Investment, With no related allowance, Total | 2,431 | 2,785 | 2,497 | 2,805 | 2,719
Interest Income Recognized, With no related allowance, Total | 9 | 4 | 31 | 19 | 22
Recorded Investment, With an allowance recorded, Total | 332 | 534 | 332 | 534 | 513
Unpaid Principal Balance, With an allowance recorded, Total | 332 | 564 | 332 | 564 | 543
Related Allowance, With an allowance recorded, Total | 1 | 107 | 1 | 107 | 109
Average Recorded Investment, With an allowance recorded, Total | 381 | 604 | 429 | 875 | 802
Interest Income Recognized, With an allowance recorded, Total | 7 | 4 | 15 | 14 | 22
Recorded Investment, Total | 2,721 | 3,094 | 2,721 | 3,094 | 2,889
Unpaid Principal Balance, Total | 3,525 | 3,839 | 3,525 | 3,839 | 3,663
Average Recorded Investment, Total | 2,812 | 3,389 | 2,926 | 3,680 | 3,521
Interest Income Recognized, Total | 16 | 8 | 46 | 33 | 44
Real estate Residential |  |  |  |  |
Financing Receivable, Impaired |  |  |  |  |
Recorded Investment, With no related allowance, Total | 918 | 991 | 918 | 991 | 873
Unpaid Principal Balance, With no related allowance, Total | 1,102 | 1,184 | 1,102 | 1,184 | 1,073
Average Recorded Investment, With no related allowance, Total | 957 | 999 | 915 | 1,051 | 1,016
Interest Income Recognized, With no related allowance, Total | 6 | 5 | 16 | 15 | 19
Recorded Investment, With an allowance recorded, Total | 243 | 440 | 243 | 440 | 401
Unpaid Principal Balance, With an allowance recorded, Total | 247 | 446 | 247 | 446 | 401
Related Allowance, With an allowance recorded, Total | 21 | 41 | 21 | 41 | 26
Average Recorded Investment, With an allowance recorded, Total | 257 | 450 | 297 | 445 | 436
Interest Income Recognized, With an allowance recorded, Total | 3 | 3 | 9 | 10 | 13
Recorded Investment, Total | 1,161 | 1,431 | 1,161 | 1,431 | 1,274
Unpaid Principal Balance, Total | 1,349 | 1,630 | 1,349 | 1,630 | 1,474
Average Recorded Investment, Total | 1,214 | 1,449 | 1,212 | 1,496 | 1,452
Interest Income Recognized, Total | 9 | 8 | 25 | 25 | 32
Consumer |  |  |  |  |
Financing Receivable, Impaired |  |  |  |  |
Recorded Investment, With no related allowance, Total | 245 | 82 | 245 | 82 | 139
Unpaid Principal Balance, With no related allowance, Total | 256 | 96 | 256 | 96 | 148
Average Recorded Investment, With no related allowance, Total | 258 | 79 | 215 | 91 | 100
Recorded Investment, Total | 245 | 82 | 245 | 82 | 139
Unpaid Principal Balance, Total | 256 | 96 | 256 | 96 | 148
Average Recorded Investment, Total | $ 258 | $ 79 | $ 215 | $ 91 | $ 100

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