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Loans, Recorded Investment in Loan Classes Based on Payment Activity, By Origination Year (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
Total loans | $ 2,255,716 |  | $ 2,255,716 |  | $ 2,248,836
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract] |  |  |  |  |
Gross charge-offs | 682 | $ 4 | 1,356 | $ 11 |
Residential Real Estate [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 5,634 |  | 5,634 |  | 19,082
2023/2022 | 19,686 |  | 19,686 |  | 94,105
2022/2021 | 91,977 |  | 91,977 |  | 48,540
2021/2020 | 48,278 |  | 48,278 |  | 30,336
2020/2019 | 29,100 |  | 29,100 |  | 18,923
Prior | 111,288 |  | 111,288 |  | 99,213
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total loans | 305,963 |  | 305,963 |  | 310,199
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract] |  |  |  |  |
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | 0 |  | 0
2021/2020 |  |  | 0 |  | 0
2020/2019 |  |  | 0 |  | 0
Prior |  |  | 0 |  | 1
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Gross charge-offs |  |  | 0 |  | 1
Residential Real Estate [Member] | Performing [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 5,634 |  | 5,634 |  | 19,082
2023/2022 | 19,686 |  | 19,686 |  | 93,706
2022/2021 | 91,593 |  | 91,593 |  | 47,774
2021/2020 | 47,532 |  | 47,532 |  | 29,940
2020/2019 | 28,521 |  | 28,521 |  | 18,923
Prior | 110,070 |  | 110,070 |  | 97,813
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total loans | 303,036 |  | 303,036 |  | 307,238
Residential Real Estate [Member] | Nonperforming [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 399
2022/2021 | 384 |  | 384 |  | 766
2021/2020 | 746 |  | 746 |  | 396
2020/2019 | 579 |  | 579 |  | 0
Prior | 1,218 |  | 1,218 |  | 1,400
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total loans | 2,927 |  | 2,927 |  | 2,961
Home Equity [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 1,321 |  | 1,321 |  | 3,877
2023/2022 | 3,755 |  | 3,755 |  | 3,008
2022/2021 | 2,736 |  | 2,736 |  | 1,886
2021/2020 | 1,843 |  | 1,843 |  | 1,954
2020/2019 | 1,753 |  | 1,753 |  | 2,462
Prior | 9,142 |  | 9,142 |  | 7,955
Revolving Loans Amortized Cost Basis | 27,712 |  | 27,712 |  | 28,286
Revolving Loans Converted to Term | 363 |  | 363 |  | 363
Total loans | 48,625 |  | 48,625 |  | 49,791
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract] |  |  |  |  |
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | 0 |  | 0
2021/2020 |  |  | 0 |  | 0
2020/2019 |  |  | 0 |  | 0
Prior |  |  | 0 |  | 0
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Gross charge-offs |  |  | 0 |  | 0
Home Equity [Member] | Performing [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 1,321 |  | 1,321 |  | 3,877
2023/2022 | 3,755 |  | 3,755 |  | 3,008
2022/2021 | 2,736 |  | 2,736 |  | 1,886
2021/2020 | 1,843 |  | 1,843 |  | 1,954
2020/2019 | 1,753 |  | 1,753 |  | 2,462
Prior | 9,089 |  | 9,089 |  | 7,883
Revolving Loans Amortized Cost Basis | 27,646 |  | 27,646 |  | 28,219
Revolving Loans Converted to Term | 287 |  | 287 |  | 363
Total loans | 48,430 |  | 48,430 |  | 49,652
Home Equity [Member] | Nonperforming [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2021/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 53 |  | 53 |  | 72
Revolving Loans Amortized Cost Basis | 66 |  | 66 |  | 67
Revolving Loans Converted to Term | 76 |  | 76 |  | 0
Total loans | 195 |  | 195 |  | 139
Consumer [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 1,304 |  | 1,304 |  | 1,803
2023/2022 | 1,369 |  | 1,369 |  | 1,000
2022/2021 | 750 |  | 750 |  | 539
2021/2020 | 461 |  | 461 |  | 477
2020/2019 | 389 |  | 389 |  | 557
Prior | 3,688 |  | 3,688 |  | 3,681
Revolving Loans Amortized Cost Basis | 62,579 |  | 62,579 |  | 53,254
Revolving Loans Converted to Term | 2 |  | 2 |  | 5
Total loans | 70,542 |  | 70,542 |  | 61,316
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract] |  |  |  |  |
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | 21 |  | 0
2021/2020 |  |  | 0 |  | 0
2020/2019 |  |  | 0 |  | 1
Prior |  |  | 0 |  | 341
Revolving Loans Amortized Cost Basis |  |  | 16 |  | 23
Revolving Loans Converted to Term |  |  | 0 |  | 0
Gross charge-offs |  |  | 37 |  | 365
Consumer [Member] | Performing [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 1,304 |  | 1,304 |  | 1,803
2023/2022 | 1,363 |  | 1,363 |  | 979
2022/2021 | 746 |  | 746 |  | 539
2021/2020 | 461 |  | 461 |  | 477
2020/2019 | 377 |  | 377 |  | 557
Prior | 2,823 |  | 2,823 |  | 2,988
Revolving Loans Amortized Cost Basis | 62,579 |  | 62,579 |  | 53,254
Revolving Loans Converted to Term | 2 |  | 2 |  | 5
Total loans | 69,655 |  | 69,655 |  | 60,602
Consumer [Member] | Nonperforming [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 6 |  | 6 |  | 21
2022/2021 | 4 |  | 4 |  | 0
2021/2020 | 0 |  | 0 |  | 0
2020/2019 | 12 |  | 12 |  | 0
Prior | 865 |  | 865 |  | 693
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total loans | 887 |  | 887 |  | 714
Mortgage, Home Equity, and Consumer [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 8,259 |  | 8,259 |  | 24,762
2023/2022 | 24,810 |  | 24,810 |  | 98,113
2022/2021 | 95,463 |  | 95,463 |  | 50,965
2021/2020 | 50,582 |  | 50,582 |  | 32,767
2020/2019 | 31,242 |  | 31,242 |  | 21,942
Prior | 124,118 |  | 124,118 |  | 110,849
Revolving Loans Amortized Cost Basis | 90,291 |  | 90,291 |  | 81,540
Revolving Loans Converted to Term | 365 |  | 365 |  | 368
Total loans | 425,130 |  | 425,130 |  | 421,306
Mortgage, Home Equity, and Consumer [Member] | Performing [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 8,259 |  | 8,259 |  | 24,762
2023/2022 | 24,804 |  | 24,804 |  | 97,693
2022/2021 | 95,075 |  | 95,075 |  | 50,199
2021/2020 | 49,836 |  | 49,836 |  | 32,371
2020/2019 | 30,651 |  | 30,651 |  | 21,942
Prior | 121,982 |  | 121,982 |  | 108,684
Revolving Loans Amortized Cost Basis | 90,225 |  | 90,225 |  | 81,473
Revolving Loans Converted to Term | 289 |  | 289 |  | 368
Total loans | 421,121 |  | 421,121 |  | 417,492
Mortgage, Home Equity, and Consumer [Member] | Nonperforming [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 6 |  | 6 |  | 420
2022/2021 | 388 |  | 388 |  | 766
2021/2020 | 746 |  | 746 |  | 396
2020/2019 | 591 |  | 591 |  | 0
Prior | 2,136 |  | 2,136 |  | 2,165
Revolving Loans Amortized Cost Basis | 66 |  | 66 |  | 67
Revolving Loans Converted to Term | 76 |  | 76 |  | 0
Total loans | 4,009 |  | 4,009 |  | 3,814
Real Estate Loans [Member] | Residential Real Estate [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
Total loans | 354,588 |  | 354,588 |  | 359,990
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract] |  |  |  |  |
Gross charge-offs | 0 | $ 1 | 0 | $ 1 |
Real Estate Loans [Member] | Home Equity [Member] |  |  |  |  |
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract] |  |  |  |  |
Total loans | $ 48,625 |  | $ 48,625 |  | $ 49,791

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