XML 72 R59.htm IDEA: XBRL DOCUMENT
v3.25.2

Allowance for Credit Losses - Loans - Commercial and commercial real estate loan portfolios (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Total loans | $ 1,069,060 | $ 1,069,060 |  | $ 1,069,060 |  | $ 1,067,949
Current period gross charge-offs, Total | 2,800 | 2,977 | $ 252 | 3,081 | $ 416 |
Other commercial real estate (non-owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Total loans | 242,319 | 242,319 |  | 242,319 |  | 233,882
Current period gross charge-offs, Total |  | 2,762 |  | 2,762 |  |
Commercial Portfolio Segment |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 43,023 | 43,023 |  | 43,023 |  | 110,142
2024/2023 | 100,767 | 100,767 |  | 100,767 |  | 137,086
2023/2022 | 137,836 | 137,836 |  | 137,836 |  | 101,631
2022/2021 | 92,426 | 92,426 |  | 92,426 |  | 113,330
2021/2020 | 111,410 | 111,410 |  | 111,410 |  | 65,020
Prior | 232,033 | 232,033 |  | 232,033 |  | 192,032
Revolving Loans Amortized Cost Basis | 66,996 | 66,996 |  | 66,996 |  | 60,995
Revolving Loans Converted to Term | 35 | 35 |  | 35 |  | 1,992
Total loans | 784,526 | 784,526 |  | 784,526 |  | 782,228
Current period gross charge-offs, 2023/2022 |  |  |  |  |  | 427
Current period gross charge-offs, 2022/2021 |  |  |  | 200 |  |
Current period gross charge-offs, Prior |  |  |  | 2,762 |  | 1,571
Current period gross charge-offs, Total |  |  |  | 2,962 |  | 1,998
Commercial Portfolio Segment | Commercial real estate (owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 5,319 | 5,319 |  | 5,319 |  | 10,294
2024/2023 | 10,340 | 10,340 |  | 10,340 |  | 17,016
2023/2022 | 16,785 | 16,785 |  | 16,785 |  | 6,648
2022/2021 | 7,056 | 7,056 |  | 7,056 |  | 14,355
2021/2020 | 13,545 | 13,545 |  | 13,545 |  | 10,476
Prior | 35,365 | 35,365 |  | 35,365 |  | 26,984
Revolving Loans Amortized Cost Basis | 665 | 665 |  | 665 |  | 324
Revolving Loans Converted to Term |  |  |  |  |  | 856
Total loans | 89,075 | 89,075 |  | 89,075 |  | 86,953
Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 8,043 | 8,043 |  | 8,043 |  | 16,714
2024/2023 | 11,992 | 11,992 |  | 11,992 |  | 19,837
2023/2022 | 16,556 | 16,556 |  | 16,556 |  | 21,386
2022/2021 | 15,076 | 15,076 |  | 15,076 |  | 9,150
2021/2020 | 8,181 | 8,181 |  | 8,181 |  | 4,568
Prior | 22,371 | 22,371 |  | 22,371 |  | 19,969
Revolving Loans Amortized Cost Basis | 60,716 | 60,716 |  | 60,716 |  | 55,627
Revolving Loans Converted to Term | 35 | 35 |  | 35 |  |
Total loans | 142,970 | 142,970 |  | 142,970 |  | 147,251
Current period gross charge-offs, 2023/2022 |  |  |  |  |  | 427
Current period gross charge-offs, 2022/2021 |  |  |  | 200 |  |
Current period gross charge-offs, Total |  | 200 | $ 189 | 200 | $ 292 | 427
Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 15,391 | 15,391 |  | 15,391 |  | 29,349
2024/2023 | 23,439 | 23,439 |  | 23,439 |  | 38,912
2023/2022 | 38,034 | 38,034 |  | 38,034 |  | 21,240
2022/2021 | 19,383 | 19,383 |  | 19,383 |  | 31,934
2021/2020 | 31,323 | 31,323 |  | 31,323 |  | 21,322
Prior | 51,185 | 51,185 |  | 51,185 |  | 38,047
Revolving Loans Amortized Cost Basis | 32 | 32 |  | 32 |  | 32
Revolving Loans Converted to Term |  |  |  |  |  | 942
Total loans | 178,787 | 178,787 |  | 178,787 |  | 181,778
Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 136 | 136 |  | 136 |  | 25,984
2024/2023 | 27,312 | 27,312 |  | 27,312 |  | 28,807
2023/2022 | 32,166 | 32,166 |  | 32,166 |  | 16,423
2022/2021 | 15,952 | 15,952 |  | 15,952 |  | 16,816
2021/2020 | 16,547 | 16,547 |  | 16,547 |  | 12,428
Prior | 38,787 | 38,787 |  | 38,787 |  | 31,431
Revolving Loans Amortized Cost Basis | 475 | 475 |  | 475 |  | 475
Total loans | 131,375 | 131,375 |  | 131,375 |  | 132,364
Commercial Portfolio Segment | Other commercial real estate (non-owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 14,134 | 14,134 |  | 14,134 |  | 27,801
2024/2023 | 27,684 | 27,684 |  | 27,684 |  | 32,514
2023/2022 | 34,295 | 34,295 |  | 34,295 |  | 35,934
2022/2021 | 34,959 | 34,959 |  | 34,959 |  | 41,075
2021/2020 | 41,814 | 41,814 |  | 41,814 |  | 16,226
Prior | 84,325 | 84,325 |  | 84,325 |  | 75,601
Revolving Loans Amortized Cost Basis | 5,108 | 5,108 |  | 5,108 |  | 4,537
Revolving Loans Converted to Term |  |  |  |  |  | 194
Total loans | 242,319 | 242,319 |  | 242,319 |  | 233,882
Current period gross charge-offs, Prior |  |  |  | 2,762 |  | 1,571
Current period gross charge-offs, Total |  |  |  | 2,762 |  | 1,571
Pass | Commercial Portfolio Segment |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 43,023 | 43,023 |  | 43,023 |  | 110,142
2024/2023 | 100,767 | 100,767 |  | 100,767 |  | 136,606
2023/2022 | 136,423 | 136,423 |  | 136,423 |  | 100,348
2022/2021 | 91,331 | 91,331 |  | 91,331 |  | 107,698
2021/2020 | 105,774 | 105,774 |  | 105,774 |  | 64,105
Prior | 213,726 | 213,726 |  | 213,726 |  | 175,405
Revolving Loans Amortized Cost Basis | 64,537 | 64,537 |  | 64,537 |  | 59,823
Revolving Loans Converted to Term | 10 | 10 |  | 10 |  | 1,992
Total loans | 755,591 | 755,591 |  | 755,591 |  | 756,119
Pass | Commercial Portfolio Segment | Commercial real estate (owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 5,319 | 5,319 |  | 5,319 |  | 10,294
2024/2023 | 10,340 | 10,340 |  | 10,340 |  | 17,016
2023/2022 | 16,785 | 16,785 |  | 16,785 |  | 6,648
2022/2021 | 7,056 | 7,056 |  | 7,056 |  | 10,675
2021/2020 | 9,867 | 9,867 |  | 9,867 |  | 10,476
Prior | 34,279 | 34,279 |  | 34,279 |  | 26,393
Revolving Loans Amortized Cost Basis | 516 | 516 |  | 516 |  | 324
Revolving Loans Converted to Term |  |  |  |  |  | 856
Total loans | 84,162 | 84,162 |  | 84,162 |  | 82,682
Pass | Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 8,043 | 8,043 |  | 8,043 |  | 16,714
2024/2023 | 11,992 | 11,992 |  | 11,992 |  | 19,357
2023/2022 | 16,078 | 16,078 |  | 16,078 |  | 20,977
2022/2021 | 14,822 | 14,822 |  | 14,822 |  | 7,397
2021/2020 | 6,422 | 6,422 |  | 6,422 |  | 4,568
Prior | 21,463 | 21,463 |  | 21,463 |  | 19,280
Revolving Loans Amortized Cost Basis | 58,406 | 58,406 |  | 58,406 |  | 54,455
Revolving Loans Converted to Term | 10 | 10 |  | 10 |  |
Total loans | 137,236 | 137,236 |  | 137,236 |  | 142,748
Pass | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 15,391 | 15,391 |  | 15,391 |  | 29,349
2024/2023 | 23,439 | 23,439 |  | 23,439 |  | 38,912
2023/2022 | 37,099 | 37,099 |  | 37,099 |  | 20,935
2022/2021 | 19,081 | 19,081 |  | 19,081 |  | 31,934
2021/2020 | 31,323 | 31,323 |  | 31,323 |  | 21,322
Prior | 51,185 | 51,185 |  | 51,185 |  | 38,047
Revolving Loans Amortized Cost Basis | 32 | 32 |  | 32 |  | 32
Revolving Loans Converted to Term |  |  |  |  |  | 942
Total loans | 177,550 | 177,550 |  | 177,550 |  | 181,473
Pass | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 136 | 136 |  | 136 |  | 25,984
2024/2023 | 27,312 | 27,312 |  | 27,312 |  | 28,807
2023/2022 | 32,166 | 32,166 |  | 32,166 |  | 16,423
2022/2021 | 15,952 | 15,952 |  | 15,952 |  | 16,816
2021/2020 | 16,547 | 16,547 |  | 16,547 |  | 11,513
Prior | 36,549 | 36,549 |  | 36,549 |  | 30,066
Revolving Loans Amortized Cost Basis | 475 | 475 |  | 475 |  | 475
Total loans | 129,137 | 129,137 |  | 129,137 |  | 130,084
Pass | Commercial Portfolio Segment | Other commercial real estate (non-owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2025/2024 | 14,134 | 14,134 |  | 14,134 |  | 27,801
2024/2023 | 27,684 | 27,684 |  | 27,684 |  | 32,514
2023/2022 | 34,295 | 34,295 |  | 34,295 |  | 35,365
2022/2021 | 34,420 | 34,420 |  | 34,420 |  | 40,876
2021/2020 | 41,615 | 41,615 |  | 41,615 |  | 16,226
Prior | 70,250 | 70,250 |  | 70,250 |  | 61,619
Revolving Loans Amortized Cost Basis | 5,108 | 5,108 |  | 5,108 |  | 4,537
Revolving Loans Converted to Term |  |  |  |  |  | 194
Total loans | 227,506 | 227,506 |  | 227,506 |  | 219,132
Special Mention | Commercial Portfolio Segment |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2023/2022 |  |  |  |  |  | 305
2022/2021 | 302 | 302 |  | 302 |  |
Prior | 6,983 | 6,983 |  | 6,983 |  | 3,488
Revolving Loans Amortized Cost Basis | 1,332 | 1,332 |  | 1,332 |  |
Total loans | 8,617 | 8,617 |  | 8,617 |  | 3,793
Special Mention | Commercial Portfolio Segment | Commercial real estate (owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Prior | 548 | 548 |  | 548 |  |
Revolving Loans Amortized Cost Basis | 149 | 149 |  | 149 |  |
Total loans | 697 | 697 |  | 697 |  |
Special Mention | Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Amortized Cost Basis | 1,183 | 1,183 |  | 1,183 |  |
Total loans | 1,183 | 1,183 |  | 1,183 |  |
Special Mention | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2023/2022 |  |  |  |  |  | 305
2022/2021 | 302 | 302 |  | 302 |  |
Total loans | 302 | 302 |  | 302 |  | 305
Special Mention | Commercial Portfolio Segment | Other commercial real estate (non-owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Prior | 6,435 | 6,435 |  | 6,435 |  | 3,488
Total loans | 6,435 | 6,435 |  | 6,435 |  | 3,488
Substandard | Commercial Portfolio Segment |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2024/2023 |  |  |  |  |  | 480
2023/2022 | 1,413 | 1,413 |  | 1,413 |  | 978
2022/2021 | 793 | 793 |  | 793 |  | 5,632
2021/2020 | 5,636 | 5,636 |  | 5,636 |  | 915
Prior | 10,926 | 10,926 |  | 10,926 |  | 13,139
Revolving Loans Amortized Cost Basis | 1,127 | 1,127 |  | 1,127 |  | 1,172
Revolving Loans Converted to Term | 25 | 25 |  | 25 |  |
Total loans | 19,920 | 19,920 |  | 19,920 |  | 22,316
Substandard | Commercial Portfolio Segment | Commercial real estate (owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2022/2021 |  |  |  |  |  | 3,680
2021/2020 | 3,678 | 3,678 |  | 3,678 |  |
Prior | 538 | 538 |  | 538 |  | 591
Total loans | 4,216 | 4,216 |  | 4,216 |  | 4,271
Substandard | Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2024/2023 |  |  |  |  |  | 480
2023/2022 | 478 | 478 |  | 478 |  | 409
2022/2021 | 254 | 254 |  | 254 |  | 1,753
2021/2020 | 1,759 | 1,759 |  | 1,759 |  |
Prior | 510 | 510 |  | 510 |  | 689
Revolving Loans Amortized Cost Basis | 1,127 | 1,127 |  | 1,127 |  | 1,172
Revolving Loans Converted to Term | 25 | 25 |  | 25 |  |
Total loans | 4,153 | 4,153 |  | 4,153 |  | 4,503
Substandard | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2023/2022 | 935 | 935 |  | 935 |  |
Total loans | 935 | 935 |  | 935 |  |
Substandard | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2021/2020 |  |  |  |  |  | 915
Prior | 2,238 | 2,238 |  | 2,238 |  | 1,365
Total loans | 2,238 | 2,238 |  | 2,238 |  | 2,280
Substandard | Commercial Portfolio Segment | Other commercial real estate (non-owner occupied) |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
2023/2022 |  |  |  |  |  | 569
2022/2021 | 539 | 539 |  | 539 |  | 199
2021/2020 | 199 | 199 |  | 199 |  |
Prior | 7,640 | 7,640 |  | 7,640 |  | 10,494
Total loans | 8,378 | 8,378 |  | 8,378 |  | $ 11,262
Doubtful | Commercial Portfolio Segment |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Prior | 398 | 398 |  | 398 |  |
Total loans | 398 | 398 |  | 398 |  |
Doubtful | Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Prior | 398 | 398 |  | 398 |  |
Total loans | $ 398 | $ 398 |  | $ 398 |  |

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-15 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-15 Reference 12: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 13: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 14: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 15: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (e)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 16: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 17: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 18: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 19: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-15 Reference 20: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-15 Reference 21: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-15 Reference 22: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 23: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asrv_CommercialLoansSecuredByNonOwnerOccupiedOtherCommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asrv_CommercialLoansSecuredByOwnerOccupiedRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asrv_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asrv_CommercialLoansSecuredByNonOwnerOccupiedRetailRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asrv_CommercialLoansSecuredByNonOwnerOccupiedMultiFamilyRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |