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Loans, Primary Segments Portfolio and Accretable Yield for PCI Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | $ 1,595,376 |  | $ 1,595,376 |  | $ 1,441,533
Individually evaluated for impairment | 12,776 |  | 12,776 |  | 15,533
Loans acquired with deteriorated credit quality | 3,607 |  | 3,607 |  | 3,802
Collectively evaluated for impairment | 1,578,993 |  | 1,578,993 |  | 1,422,198
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Allowance for loan losses | 17,570 |  | 17,570 |  | 17,304
Individually evaluated for impairment | 129 |  | 129 |  | 121
Allowance for loan losses related to loans acquired with deteriorated credit quality | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 17,441 |  | 17,441 |  | 17,183
Loans and Leases Receivable, Net Amount [Abstract] |  |  |  |  |
Net loans | 1,577,806 |  | 1,577,806 |  | 1,424,229
Net loans, individually evaluated for impairment | 12,647 |  | 12,647 |  | 15,412
Net loans, loans acquired with deteriorated credit quality | 3,607 |  | 3,607 |  | 3,802
Net loans, collectively evaluated for impairment | 1,561,552 |  | 1,561,552 |  | 1,405,015
Loans originated |  |  |  |  | 24,300
Outstanding principal balances | 0 |  | 0 |  | 6,800
Maximum amount of loan forgiven by guidance from SBA |  |  | 150 |  |
Changes in the accretable yield for purchased credit-impaired loans [Roll Forward] |  |  |  |  |
Balance at beginning of period | 395 | $ 688 | 370 | $ 788 | 788
Reclassification of non-accretable discount | 0 | 0 | 228 | 0 |
Accretion | (117) | (104) | (320) | (204) |
Balance at end of period | 278 | $ 584 | 278 | $ 584 | 370
Loans acquired with specific evidence of deterioration in credit quality [Abstract] |  |  |  |  |
Outstanding balance | 6,432 |  | 6,432 |  | 6,159
Carrying amount | 3,607 |  | $ 3,607 |  | 3,802
Minimum [Member] |  |  |  |  |
Loans and Leases Receivable, Net Amount [Abstract] |  |  |  |  |
Number of days past for loan to be considered impaired, Minimum |  |  | 90 days |  |
First Mortgage [Member] | Minimum [Member] |  |  |  |  |
Loans and Leases Receivable, Net Amount [Abstract] |  |  |  |  |
Period of mortgage on real estate |  |  | 15 years |  |
First Mortgage [Member] | Maximum [Member] |  |  |  |  |
Loans and Leases Receivable, Net Amount [Abstract] |  |  |  |  |
Period of mortgage on real estate |  |  | 30 years |  |
Second Mortgage [Member] | Maximum [Member] |  |  |  |  |
Loans and Leases Receivable, Net Amount [Abstract] |  |  |  |  |
Period of mortgage on real estate |  |  | 15 years |  |
Real Estate Loans [Member] | Residential [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 203,323 |  | $ 203,323 |  | 201,097
Individually evaluated for impairment | 676 |  | 676 |  | 620
Loans acquired with deteriorated credit quality | 10 |  | 10 |  | 14
Collectively evaluated for impairment | 202,637 |  | 202,637 |  | 200,463
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 11 |  | 11 |  | 12
Collectively evaluated for impairment | 1,004 |  | 1,004 |  | 1,135
Real Estate Loans [Member] | Commercial [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 798,528 |  | 798,528 |  | 687,338
Individually evaluated for impairment | 5,842 |  | 5,842 |  | 8,381
Loans acquired with deteriorated credit quality | 2,035 |  | 2,035 |  | 2,145
Collectively evaluated for impairment | 790,651 |  | 790,651 |  | 676,812
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 77 |  | 77 |  | 61
Collectively evaluated for impairment | 9,139 |  | 9,139 |  | 8,038
Real Estate Loans [Member] | Agricultural [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 313,700 |  | 313,700 |  | 312,011
Individually evaluated for impairment | 5,225 |  | 5,225 |  | 5,355
Loans acquired with deteriorated credit quality | 1,562 |  | 1,562 |  | 1,643
Collectively evaluated for impairment | 306,913 |  | 306,913 |  | 305,013
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 26 |  | 26 |  | 14
Collectively evaluated for impairment | 4,458 |  | 4,458 |  | 4,715
Real Estate Loans [Member] | Construction [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 71,414 |  | 71,414 |  | 55,036
Individually evaluated for impairment | 0 |  | 0 |  | 0
Loans acquired with deteriorated credit quality | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 71,414 |  | 71,414 |  | 55,036
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 563 |  | 563 |  | 434
Consumer [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 50,319 |  | 50,319 |  | 25,858
Individually evaluated for impairment | 0 |  | 0 |  | 0
Loans acquired with deteriorated credit quality | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 50,319 |  | 50,319 |  | 25,858
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 464 |  | 464 |  | 262
Other Commercial Loans [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 65,772 |  | 65,772 |  | 74,585
Individually evaluated for impairment | 169 |  | 169 |  | 186
Loans acquired with deteriorated credit quality | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 65,603 |  | 65,603 |  | 74,399
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 15 |  | 15 |  | 34
Collectively evaluated for impairment | 1,158 |  | 1,158 |  | 989
Other Agricultural Loans [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 32,870 |  | 32,870 |  | 39,852
Individually evaluated for impairment | 864 |  | 864 |  | 991
Loans acquired with deteriorated credit quality | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 32,006 |  | 32,006 |  | 38,861
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 446 |  | 446 |  | 558
State and Political Subdivision Loans [Member] |  |  |  |  |
Segments of loan portfolio and allowance for loan losses [Abstract] |  |  |  |  |
Total financing receivables | 59,450 |  | 59,450 |  | 45,756
Individually evaluated for impairment | 0 |  | 0 |  | 0
Loans acquired with deteriorated credit quality | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 59,450 |  | 59,450 |  | 45,756
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  | 0
Collectively evaluated for impairment | 323 |  | 323 |  | $ 281
MidCoast Community Bancorp, Inc [Member] |  |  |  |  |
Loans acquired with specific evidence of deterioration in credit quality [Abstract] |  |  |  |  |
Carrying amount | $ 3,333 |  | $ 3,333 |  |

X
- Definition Amount of reclassified non-accretable discount recognized for the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality. + References No definition available. + Details
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